{"title":"Harken MKIV Ocean Jib Reefing \u0026 Furling Unit 1 — Installation Manual","description":"\u003clink rel=\"stylesheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/om-manual-v1.css?v=1790893904\"\u003e\u003cdiv class=\"mpom\"\u003e\n\u003cdiv class=\"om-head\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"om-tag\"\u003eINSTALLATION MANUAL\u003c\/span\u003e\u003cp class=\"om-lead\"\u003eThe original Harken installation manual for the MKIV Ocean Jib Reefing \u0026amp; Furling Unit 1, with every part in it that we carry, matched by Harken part number.\u003c\/p\u003e\n\u003cdiv class=\"om-box\"\u003e\n\u003cdiv class=\"om-doc\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eInstallation Manual\u003c\/b\u003e\u003csmall\u003ePDF · 32 pages · 4.9 MB\u003c\/small\u003e\n\u003c\/div\u003e\n\u003ca class=\"om-btn dl\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/Harken-MKIV-Ocean-Jib-Reefing-Furling-Unit-1-Installation-Manual.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDownload PDF\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ca class=\"om-btn buy\" href=\"\/products\/harhfg233\"\u003eBuy\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-img\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HARHFG233.jpg?v=1747147946\" alt=\"MKIV Ocean Jib Reefing \u0026amp; Furling Unit 1\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"om-h\"\u003eParts in this Manual We Carry\u003c\/h2\u003e\n\u003cp\u003eHarken part numbers as printed in the installation manual, matched to the genuine parts in our store.\u003c\/p\u003e\n\u003cdiv class=\"om-tbl\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eHarken part no.\u003c\/th\u003e\n\u003cth\u003eOur part\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7511.31\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/har751131\"\u003eExtrusion Connector Set w\/ Bushings \u0026amp; Screws for MKIV Ocean Unit 1 Furlers\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHFG233\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/harhfg233\"\u003eFurling Line Double-Braid - Dia: 9\/32 in (7.0 mm) - Length: 70.0 ft (21.3 m) - For Model: ESP Unit 1\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHFS980\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/harhfs980\"\u003eDrum Top Cover \u0026amp; Bottom Flange Screws (M4 x 10mm) for MKIV \u0026amp; MKIV Underdeck Unit 1 Furlers\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHFS1127\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/harhfs1127\"\u003eExtrusion Trim Cap Screw (Unit) for MKIV \u0026amp; MKIV Underdeck Unit 2 \/ Unit 3 Furlers\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7403\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/har7403\"\u003eStanchion Mounts - 29.0 mm Outboard Block\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7404\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/har7404\"\u003eStanchion Mounts - Lead Block Kit\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7302\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/har7302\"\u003eHalyard Deflector for MKIV Unit 1 Furlers\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7401\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/har7401\"\u003eStanchion Mounts - 40.0 mm Block\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7402\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/har7402\"\u003eStanchion Mounts - 57.0 mm Ratchet Block\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH-42395\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/harh-42395\"\u003eClevis Pin (1\/2\" x 1.14\") for Unit 1 MKIV Furler\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH-42397\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/harh-42397\"\u003eClevis Pin (5\/8\" x 1.46\") for Unit 1 MKIV Furler\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHFS220\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/harhfs220\"\u003eCotter Pin (1\/8\" x 1\") for Unit 1 ESP Furlers\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHFS203\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/harhfs203\"\u003eCotter Pin (5\/32\" x 1.25\") for Unit 2 ESP Furlers\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHFS876\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/harhfs876\"\u003eLink Plate Allen Cap Screws (M6 x 12mm) for MKIV Unit 1 Furlers\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH-42396\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/harh-42396\"\u003eClevis Pin (1\/3\" x 2.69\") for Unit 1 MKIV Furler\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHFS1109\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/harhfs1109\"\u003eToggle Nylon Washer for MKIV Unit 1 Furlers\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHFS181\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/harhfs181\"\u003eCotter Pin (3\/32\" x 0.75\") for Unit 0 MKIV Furler\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHFS1337\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/harhfs1337\"\u003eDrum Torque Tube Screws for ESP Unit 1 Furlers\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eH-35600C\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/harh-35600c\"\u003eDrum Bottom Flange Only for MKIV Unit 1 Furlers\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHFS1052\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/harhfs1052\"\u003eDrum Guard Screw (M6 x 40mm) for MKIV Unit 3 Furlers\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2110\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/har2110\"\u003eBow Shackle - Pin Dia: 1\/4 in (6.0 mm)\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHFG467\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/harhfg467\"\u003eClevis Pin (1\/4\" x 0.92\") for Unit 0 MKIV Furler\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHCP1387\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/harhcp1387\"\u003eHex Allen Keys (2.5mm) for MKIV \u0026amp; MKIV Underdeck Unit 0 \/ Unit 1 Furlers\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHFG640\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/harhfg640\"\u003eHex Allen Keys (4mm) for MKIV Unit 0 \/ Unit 1 \/ Unit 2 Furlers\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHFG642\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/harhfg642\"\u003eHex Allen Keys (5mm) for MKIV \u0026amp; MKIV Underdeck Unit 0 Furlers\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"om-note\"\u003eNeed a part that isn't listed? \u003ca href=\"\/pages\/contact\"\u003eAsk us to source it\u003c\/a\u003e and quote the part number from the PDF.\u003c\/p\u003e\n\u003ch2 class=\"om-h\" id=\"om-products\"\u003eProducts in this Manual\u003c\/h2\u003e\n\u003c\/div\u003e","products":[{"product_id":"harhfs181","title":"Harken Cotter Pin (3\/32\" x 0.75\") for Unit 0 MKIV Furler","description":"\u003cp\u003eHarken Spare: Fastener 3\/32 X 3\/4 18-8 SS Cotter Pin PaSSivated\u003c\/p\u003e\u003cp\u003e Our Part # HARHFS181 | Harken Part # HFS181\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":49347411673394,"sku":"HARHFS181","price":0.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HARHFS181.jpg?v=1728039804"},{"product_id":"harhfs1127","title":"Harken Extrusion Trim Cap Screw (Unit) for MKIV \u0026 MKIV Underdeck Unit 2 \/ Unit 3 Furlers","description":"\u003cp\u003eHarken Spare: Trim Cap Screw MKIV Unit 2,2E \u0026amp; Underdeck Unit 2,3\u003c\/p\u003e\u003cp\u003e Our Part # HARHFS1127 | Harken Part # HFS1127\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":49347414065458,"sku":"HARHFS1127","price":0.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HARHFS1127.jpg?v=1728055379"},{"product_id":"harhfs980","title":"Harken Drum Top Cover \u0026 Bottom Flange Screws (M4 x 10mm) for MKIV \u0026 MKIV Underdeck Unit 1 Furlers","description":"\u003cp\u003eHarken Spare: Top Cover Screw (M4 x .7 x 10MM) MKIV \u0026amp; Underdeck Unit 1\u003c\/p\u003e\u003cp\u003e Our Part # HARHFS980 | Harken Part # HFS980\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":49347414032690,"sku":"HARHFS980","price":0.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HARHFS980.jpg?v=1728016576"},{"product_id":"harhfs220","title":"Harken Cotter Pin (1\/8\" x 1\") for Unit 1 ESP Furlers","description":"\u003cp\u003e\u003cb\u003eHarken Furling Parts\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003eHarken jib reefing and furling systems make all the difference in headsail control and allow racers and cruisers to furl and reef safely from the cockpit.\u003c\/p\u003e \u003cp\u003e Our Part # HARHFS220 | Harken Part # HFS220\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":49347419603250,"sku":"HARHFS220","price":0.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HARHFS220.jpg?v=1728033570"},{"product_id":"harhfs1337","title":"Harken Drum Torque Tube Screws for ESP Unit 1 Furlers","description":"\u003cp\u003eHarken Spare: Torque Tube Screws Cruising Unit 1\u003c\/p\u003e\u003cp\u003e Our Part # HARHFS1337 | Harken Part # HFS1337\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":49347431563570,"sku":"HARHFS1337","price":2.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HARHFS1337.jpg?v=1728027381"},{"product_id":"harhfs203","title":"Harken Cotter Pin (5\/32\" x 1.25\") for Unit 2 ESP Furlers","description":"\u003cp\u003eHarken Spare: Fastener 5\/32 X 1-1\/4 18-8 SS Cotter Pin PaSSivated\u003c\/p\u003e\u003cp\u003e Our Part # HARHFS203 | Harken Part # HFS203\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":49347435790642,"sku":"HARHFS203","price":0.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HARHFS203.jpg?v=1728023859"},{"product_id":"harhfs876","title":"Harken Link Plate Allen Cap Screws (M6 x 12mm) for MKIV Unit 1 Furlers","description":"\u003cp\u003eHarken Spare: Allen Cap Screws (M6x1x12MM SHCS) MKIV Unit 1 \u0026amp; Underdeck Unit 2,3\u003c\/p\u003e\u003cp\u003e Our Part # HARHFS876 | Harken Part # HFS876\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":49347465838898,"sku":"HARHFS876","price":1.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HARHFS876.jpg?v=1728021745"},{"product_id":"har2110","title":"Harken Bow Shackle - Pin Dia: 1\/4 in (6.0 mm)","description":"\u003cp\u003eThe Harken Shackles - 6mm Pin #2110 is crafted for those who need reliability and strength in their sailing equipment. Made with forged stainless steel, this shackle is your go-to for handling multidirectional loads, thanks to its versatile bow design. Its polished finish not only looks great but ensures durability on the high seas.\u003c\/p\u003e \u003cp\u003e\u003cb\u003eBenefits\u003c\/b\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eForged stainless steel construction offers superior strength and resistance to corrosion.\u003c\/li\u003e \u003cli\u003ePolished to a high luster for an appealing finish.\u003c\/li\u003e \u003cli\u003eBow shackle design allows for multidirectional load management.\u003c\/li\u003e \u003cli\u003eLarge interior opening provides enhanced articulation.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eThese shackles are made from high-quality forged stainless steel, ensuring durability and resistance to harsh marine conditions. They feature a screw pin with a diameter of 6mm, making them suitable for various sailing applications. The shackle's enlarged interior space accommodates plenty of movement, especially when paired with a round bail.\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":50016291094834,"sku":"HAR2110","price":15.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HAR2110.jpg?v=1747147731"},{"product_id":"har7302","title":"Harken Halyard Deflector for MKIV Unit 1 Furlers","description":"\u003cp\u003eThe Harken Halyard Deflector #7302 is a handy piece of sailing gear that keeps your jib halyard and other halyards, like spinnaker or additional jib halyards, from tangling around the foil. It’s specifically designed for a smooth sailing experience, ensuring your lines stay clear and functional. This tool is perfect for sailors looking to maintain efficiency and order on their boats without unnecessary fuss.\u003c\/p\u003e \u003cp\u003e\u003cb\u003eBenefits\u003c\/b\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003ePrevents halyard wrap around the foil.\u003c\/li\u003e \u003cli\u003eCompatible with furling units 7321.10, 7411.10, and 7411.11 1\/2.\u003c\/li\u003e \u003cli\u003eSimple installation for immediate use.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eMade from durable materials, the Harken Halyard Deflector is designed to withstand the harsh marine environment. Its compact size ensures it fits seamlessly with your existing sailing gear, providing a clean and efficient solution to halyard management. Ideal for use with MKIV Unit 1 Furlers, it's a must-have for those who prioritize reliability and performance on the water.\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":50016335626546,"sku":"HAR7302","price":62.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HAR7302.jpg?v=1747147872"},{"product_id":"har7401","title":"Harken Stanchion Mounts - 40.0 mm Block","description":"\u003cp\u003eThe Stanchion Mounts - 40.0 mm Block #7401 is perfect for sailors wanting safer furling right from the cockpit. It’s designed to fit neatly on the bow pulpit, ensuring smooth lead arrangements, thanks to its clever ball and socket base. This setup makes managing your sail much more straightforward and efficient.\u003c\/p\u003e \u003cp\u003e\u003cb\u003eBenefits\u003c\/b\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBall and socket base for optimal alignment\u003c\/li\u003e \u003cli\u003e40 mm block size for versatile use\u003c\/li\u003e \u003cli\u003eEasy installation on the bow pulpit\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eCrafted to withstand the demands of sailing, this block is both durable and reliable. It's specifically designed for use with Carbo lead blocks, ensuring compatibility and performance. The 40 mm size makes it versatile for various sailing needs.\u003c\/p\u003e \u003cp\u003e\u003cb\u003eUsage\u003c\/b\u003e\u003c\/p\u003e \u003cp\u003eBest used for inboard leads on the bow pulpit to enhance sail furling operations from the cockpit.\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":50016338018610,"sku":"HAR7401","price":57.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HAR7401.jpg?v=1747147878"},{"product_id":"har7404","title":"Harken Stanchion Mounts - Lead Block Kit","description":"\u003cp\u003eThe Harken Stanchion Mounts - Lead Block Kit #7404 is designed to keep your sailing smooth and controlled. It's a reliable choice for sailors who appreciate quality and want a fuss-free experience. This kit makes trimming sails under any load a breeze.\u003c\/p\u003e \u003cp\u003e\u003cb\u003e Benefits\u003c\/b\u003e \u003c\/p\u003e\u003cul\u003e \u003cli\u003eLightweight Carbo blocks for easy handling\u003c\/li\u003e \u003cli\u003eUV-stabilized for long-lasting durability\u003c\/li\u003e \u003cli\u003eBall bearing system for fast and efficient trimming\u003c\/li\u003e \u003cli\u003eComplete kit suitable for most boats\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eThis kit includes 3 x 7403, 1 x 7402, 1 x 7401, and 1 cleat, ensuring you have everything you need for installation. Made from robust materials that withstand harsh marine environments, these blocks are perfect for sailors looking to optimize their boat’s performance.\u003c\/p\u003e \u003cp\u003e Our Part # HAR7404 | Mfr. Part # 7404 \u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":50016338182450,"sku":"HAR7404","price":351.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HAR7404.jpg?v=1747147878"},{"product_id":"har7403","title":"Harken Stanchion Mounts - 29.0 mm Outboard Block","description":"\u003cp\u003eThe Harken Stanchion Mounts - 29.0 mm Outboard Block #7403 is a game-changer for sailors looking to enhance their furling systems. It ensures your furling line stays outboard of the stanchion, providing a clutter-free sidedeck. Plus, installing it is a breeze thanks to its robust four-screw clamp design.\u003c\/p\u003e \u003cp\u003e\u003cb\u003eBenefits\u003c\/b\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAllows furling line to run outboard of the stanchion for a clear sidedeck\u003c\/li\u003e \u003cli\u003eStrong four-screw clamp for easy installation\u003c\/li\u003e \u003cli\u003eCompatible with Carbo lead blocks for safe furling from the cockpit\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eCrafted from durable materials, this mount is designed to last and withstand the rigors of a marine environment. Its dimensions are tailored for a 29.0 mm stanchion, and it fits seamlessly without the need to remove the stanchion or lifelines. Ideal for sailing enthusiasts who want both functionality and ease of use.\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":50016338313522,"sku":"HAR7403","price":54.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HAR7403.jpg?v=1747147878"},{"product_id":"har7402","title":"Harken Stanchion Mounts - 57.0 mm Ratchet Block","description":"\u003cp\u003eThe 57.0 mm Ratchet Block #7402 is designed to help sailors achieve smooth and effortless furling from the cockpit. Its ball and socket base ensures that the block aligns perfectly for optimal performance. This piece of gear is all about making sailing a little easier without any fuss.\u003c\/p\u003e \u003cp\u003e\u003cb\u003eBenefits\u003c\/b\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eReliable tension maintenance for smooth furling\u003c\/li\u003e \u003cli\u003eBall and socket base for precise alignment\u003c\/li\u003e \u003cli\u003eDurable construction for long-lasting use\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eConstructed from high-quality materials, the 57.0 mm Ratchet Block is built to withstand the rigors of sailing. Its compact design ensures compatibility with various systems, making it a versatile addition to any setup. This component is essential for those seeking efficiency and reliability in their sailing gear.\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":50016338411826,"sku":"HAR7402","price":107.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HAR7402.jpg?v=1747147878"},{"product_id":"har751131","title":"Harken Extrusion Connector Set w\/ Bushings \u0026 Screws for MKIV Ocean Unit 1 Furlers","description":"\u003cp\u003eTriple-interlock foil joints withstand years of torque loading: foil connector's geometric shape interlocks with foil, secures with syringe-injected adhesive, screws provide final lock.\u003c\/p\u003e\u003cp\u003e Our Part # HAR751131 | Mfr. Part # 7511.31\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":50016340476210,"sku":"HAR751131","price":40.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HAR751131.jpg?v=1747147886"},{"product_id":"harh-35600c","title":"Harken Drum Bottom Flange Only for MKIV Unit 1 Furlers","description":"Harken Spare: Flange Assembly (1\/2) - Furling MKIV Unit 1\u003cp\u003e Our Part # HARH-35600C | Mfr. Part # H-35600C\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":50016353157426,"sku":"HARH-35600C","price":11.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HARH-35600C.jpg?v=1747147927"},{"product_id":"harh-42395","title":"Harken Clevis Pin (1\/2\" x 1.14\") for Unit 1 MKIV Furler","description":"Harken Spare: Clevis Pin 0.50 X 1.146 in. 302SS\u003cp\u003e Our Part # HARH-42395 | Mfr. Part # H-42395\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":50016354468146,"sku":"HARH-42395","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HARH-42395.jpg?v=1747147931"},{"product_id":"harh-42396","title":"Harken Clevis Pin (1\/3\" x 2.69\") for Unit 1 MKIV Furler","description":"Harken Spare: Clevis Pin 0.3125 X 2.688 in. 304SS\u003cp\u003e Our Part # HARH-42396 | Mfr. Part # H-42396\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":50016354533682,"sku":"HARH-42396","price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HARH-42396.jpg?v=1747147931"},{"product_id":"harh-42397","title":"Harken Clevis Pin (5\/8\" x 1.46\") for Unit 1 MKIV Furler","description":"Harken Spare: Clevis Pin 0.625 X 1.460 in. 316SS\u003cp\u003e Our Part # HARH-42397 | Mfr. Part # H-42397\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":50016354926898,"sku":"HARH-42397","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HARH-42397.jpg?v=1747147931"},{"product_id":"harhcp1387","title":"Harken Hex Allen Keys (2.5mm) for MKIV \u0026 MKIV Underdeck Unit 0 \/ Unit 1 Furlers","description":"Harken Spare: Wrench 2.5 mm Allen Hex MKIV Unit 1 \u0026amp; Underdeck Unit 1\u003cp\u003e Our Part # HARHCP1387 | Mfr. Part # HCP1387\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":50016358596914,"sku":"HARHCP1387","price":0.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HARHCP1387.jpg?v=1747147945"},{"product_id":"harhfg233","title":"Harken Furling Line Double-Braid - Dia: 9\/32 in (7.0 mm) - Length: 70.0 ft (21.3 m) - For Model: ESP Unit 1","description":"\u003cp\u003eThe Harken Furling Line Double-Braid #HFG233 is perfect for sailors looking for a reliable and durable line for their ESP Unit 1. It's crafted to be both abrasion and UV-resistant, ensuring longevity and performance even in challenging conditions. The double-braid construction means you'll have minimal stretch, making it a dependable choice for your furling needs.\u003c\/p\u003e \u003cp\u003e\u003cb\u003e Benefits\u003c\/b\u003e \u003c\/p\u003e\u003cul\u003e \u003cli\u003eAbrasion-resistant for enhanced durability\u003c\/li\u003e \u003cli\u003eUV-resistant to withstand prolonged sun exposure\u003c\/li\u003e \u003cli\u003eLow-stretch design for optimal performance\u003c\/li\u003e \u003cli\u003eDouble-braid construction for reliability\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eThis line is specifically designed with sailing efficiency in mind. It measures 9\/32 inches (7.0 mm) in diameter and stretches to a length of 70.0 feet (21.3 meters), making it an ideal fit for the ESP Unit 1. Built with a focus on durability, it handles the demands of a marine environment with ease.\u003c\/p\u003e \u003cp\u003e Our Part # HARHFG233 | Mfr. Part # HFG233 \u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":50016358957362,"sku":"HARHFG233","price":154.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HARHFG233.jpg?v=1747147946"},{"product_id":"harhfg467","title":"Harken Clevis Pin (1\/4\" x 0.92\") for Unit 0 MKIV Furler","description":"Harken Spare: Clevis Pin 0.25 X 0.9150 18-8SS\u003cp\u003e Our Part # HARHFG467 | Mfr. Part # HFG467\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":50016359481650,"sku":"HARHFG467","price":5.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HARHFG467.jpg?v=1747147947"},{"product_id":"harhfg642","title":"Harken Hex Allen Keys (5mm) for MKIV \u0026 MKIV Underdeck Unit 0 Furlers","description":"Harken Spare: Wrench M5 Allen Short MKIV Unit 0 \u0026amp; Underdeck Unit 0\u003cp\u003e Our Part # HARHFG642 | Mfr. Part # HFG642\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":50016359678258,"sku":"HARHFG642","price":0.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HARHFG642.jpg?v=1747147949"},{"product_id":"harhfg640","title":"Harken Hex Allen Keys (4mm) for MKIV Unit 0 \/ Unit 1 \/ Unit 2 Furlers","description":"Harken Spare: Wrench M4 Allen Short MKIV Unit 2,3\u003cp\u003e Our Part # HARHFG640 | Mfr. Part # HFG640\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":50016359711026,"sku":"HARHFG640","price":0.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HARHFG640.jpg?v=1747147948"},{"product_id":"harhfs1052","title":"Harken Drum Guard Screw (M6 x 40mm) for MKIV Unit 3 Furlers","description":"Harken Spare: Guard Screw (M6 x 1 x 40MM SHCS) MKIV Unit 0,1 \u0026amp; Underdeck Unit 1,2\u003cp\u003e Our Part # HARHFS1052 | Mfr. Part # HFS1052\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":50016360497458,"sku":"HARHFS1052","price":1.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HARHFS1052.jpg?v=1747147950"},{"product_id":"harhfs1109","title":"Harken Toggle Nylon Washer for MKIV Unit 1 Furlers","description":"Harken Spare: Nylon Flat Washer 0.330 X 0.625 X .064 in.\u003cp\u003e Our Part # HARHFS1109 | Mfr. Part # HFS1109\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":50016360890674,"sku":"HARHFS1109","price":0.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/HARHFS1109.jpg?v=1747147952"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/collections\/HARHFG233.jpg?v=1790895075","url":"https:\/\/www.mauripro.com\/collections\/owners-manuals-harken-mkiv-ocean-jib-reefing-furling-unit-1.oembed?page=2","provider":"MAURIPRO Sailing","version":"1.0","type":"link"}