{"title":"Selden Ratchet Blocks — Selection Guide","description":"\u003clink rel=\"stylesheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/om-manual-v2.css\"\u003e\u003cstyle\u003e.mpom .om-tbl.nw td+td{white-space:nowrap}.mpom details.om-dd{position:relative;margin:0}.mpom details.om-dd\u003esummary{list-style:none;cursor:pointer}.mpom details.om-dd\u003esummary::-webkit-details-marker{display:none}.mpom .om-dd-menu{position:absolute;left:0;top:calc(100% + 6px);min-width:100%;width:max-content;max-width:360px;background:#fff;border:1px solid #e3e5e8;border-radius:6px;box-shadow:0 8px 24px rgba(0,0,0,.14);z-index:30;padding:6px}.mpom .om-dd-menu a{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:10px 12px;border-radius:4px;font-size:14px;font-weight:600;color:#2a2b2a!important;text-decoration:none!important}.mpom .om-dd-menu a:hover{background:#f5f6f8}.mpom .om-dd-menu small{font-weight:400;color:#5f6368;white-space:nowrap}\u003c\/style\u003e\u003cdiv class=\"mpom\"\u003e\n\u003cdiv class=\"om-head\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"om-tag ss\"\u003eSELECTION GUIDE\u003c\/span\u003e\u003cp class=\"om-lead\"\u003eSpecifications of the Selden R60 and R60+ manual ratchet blocks: single, becket, cam, triple and cheek versions with weight, loads and line size.\u003c\/p\u003e\n\u003cdiv class=\"om-box\"\u003e\n\u003cdiv class=\"om-row\"\u003e\n\u003cspan\u003eDocument\u003c\/span\u003e\u003cb\u003eSelden Ratchet Blocks Selection Guide\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-row\"\u003e\n\u003cspan\u003eFormat\u003c\/span\u003e\u003cb\u003ePDF · 4 pages · 0.7 MB\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-row\" style=\"border-bottom:0\"\u003e\n\u003cspan\u003eLanguage\u003c\/span\u003e\u003cb\u003eEnglish\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-acts\"\u003e\n\u003ca class=\"om-btn dl\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/Selden-Ratchet-Blocks-R60-R60-Plus.pdf\" target=\"_blank\" rel=\"noopener\"\u003e\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M12 4v11\"\u003e\u003c\/path\u003e\u003cpath d=\"m7 10 5 5 5-5\"\u003e\u003c\/path\u003e\u003cpath d=\"M5 20h14\"\u003e\u003c\/path\u003e\u003c\/svg\u003e Download PDF\u003c\/a\u003e\u003ca class=\"om-btn buy\" href=\"\/collections\/selden-ratchet-blocks\"\u003eView Collection\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-toc\"\u003e\n\u003ca href=\"#om-about\"\u003eThe Blocks\u003c\/a\u003e\u003ca href=\"#om-specs\"\u003eSpecifications\u003c\/a\u003e\u003ca href=\"#om-products\"\u003eProducts\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\/406-350-01R.jpg?v=1786463863\" alt=\"Selden Ratchet Blocks — Selection Guide\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-about\"\u003e\n\u003ch2 class=\"om-h\"\u003eSecond-Generation Manual Ratchet Blocks\u003c\/h2\u003e\n\u003cp\u003eRatchet blocks are mainly used for dynamic applications such as sheets on dinghies and keelboats: with the ratchet on, the sheave locks in one direction and you can hold the sheet without cleating it. This generation improves the grip and the switch, runs on lightweight Delrin ball bearings, and the single block comes with a composite sheave (R60) or an aluminium sheave (R60+). The aluminium sheave gives more grip and copes with relatively thin lines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-specs\"\u003e\n\u003ch2 class=\"om-h\"\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv class=\"om-tbl nw\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eArt. No.\u003c\/th\u003e\n\u003cth\u003eBlock\u003c\/th\u003e\n\u003cth\u003eWeight (g)\u003c\/th\u003e\n\u003cth\u003eSafe working load (kg)\u003c\/th\u003e\n\u003cth\u003eBreaking load (kg)\u003c\/th\u003e\n\u003cth\u003eMax line (mm)\u003c\/th\u003e\n\u003cth\u003eFasteners\u003c\/th\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e406-350-01R\u003c\/td\u003e\n\u003ctd\u003eR60 single, ratchet\u003c\/td\u003e\n\u003ctd\u003e121\u003c\/td\u003e\n\u003ctd\u003e250\u003c\/td\u003e\n\u003ctd\u003e500\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e–\u003c\/td\u003e\n\u003ctd\u003e\u003ca class=\"om-shop\" href=\"\/products\/selden-block-r60-single\"\u003eView block →\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e406-350-02R\u003c\/td\u003e\n\u003ctd\u003eR60 single \/ becket\u003c\/td\u003e\n\u003ctd\u003e131\u003c\/td\u003e\n\u003ctd\u003e250\u003c\/td\u003e\n\u003ctd\u003e500\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e–\u003c\/td\u003e\n\u003ctd\u003e\u003ca class=\"om-shop\" href=\"\/products\/selden-block-r60-single-becket\"\u003eView block →\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e406-350-04R\u003c\/td\u003e\n\u003ctd\u003eR60 single \/ becket-cam\u003c\/td\u003e\n\u003ctd\u003e302\u003c\/td\u003e\n\u003ctd\u003e240\u003c\/td\u003e\n\u003ctd\u003e480\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e–\u003c\/td\u003e\n\u003ctd\u003e\u003ca class=\"om-shop\" href=\"\/products\/selden-block-r60-single-becket-cam\"\u003eView block →\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e406-350-05R\u003c\/td\u003e\n\u003ctd\u003eR60 cheek, clockwise\u003c\/td\u003e\n\u003ctd\u003e89\u003c\/td\u003e\n\u003ctd\u003e250\u003c\/td\u003e\n\u003ctd\u003e500\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e3 × M6 (not included)\u003c\/td\u003e\n\u003ctd\u003e\u003ca class=\"om-shop\" href=\"\/products\/selden-block-r60-cheek-clockwise\"\u003eView block →\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e406-350-06R\u003c\/td\u003e\n\u003ctd\u003eR60 cheek, anti-clockwise\u003c\/td\u003e\n\u003ctd\u003e89\u003c\/td\u003e\n\u003ctd\u003e250\u003c\/td\u003e\n\u003ctd\u003e500\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e3 × M6 (not included)\u003c\/td\u003e\n\u003ctd\u003e\u003ca class=\"om-shop\" href=\"\/products\/selden-block-r60-cheek-anti-clockw\"\u003eView block →\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e406-350-09R\u003c\/td\u003e\n\u003ctd\u003eR60 triple \/ becket-cam\u003c\/td\u003e\n\u003ctd\u003e506\u003c\/td\u003e\n\u003ctd\u003e720\u003c\/td\u003e\n\u003ctd\u003e1440\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e–\u003c\/td\u003e\n\u003ctd\u003e\u003ca class=\"om-shop\" href=\"\/products\/selden-block-r60-triple-becket-cam\"\u003eView block →\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e406-360-01R\u003c\/td\u003e\n\u003ctd\u003eR60+ single, ratchet (aluminium sheave)\u003c\/td\u003e\n\u003ctd\u003e136\u003c\/td\u003e\n\u003ctd\u003e250\u003c\/td\u003e\n\u003ctd\u003e500\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e–\u003c\/td\u003e\n\u003ctd\u003e\u003ca class=\"om-shop\" href=\"\/products\/selden-block-r60-single-al-sheave\"\u003eView block →\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\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 Selection Guide\u003c\/h2\u003e\n\u003c\/div\u003e","products":[{"product_id":"selden-block-r60-single","title":"Selden R60 - 60 mm Manual Ratchet Block - Single, Swivel","description":"\u003cp\u003eThe single R60 manual ratchet block is designed for sheet applications on dinghies and keelboats and features a ø60 mm composite sheave. A swivel lock, a plastic washer which is placed between block body and shackle, is included for fixed 0° or 90° shackle position The block is designed with lightweight Delrin ball bearings and a switch on each side to select ratchet function or a free spinning sheave\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":51564873318706,"sku":"SEL406-350-01R","price":99.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/406-350-01R.jpg?v=1786463863"},{"product_id":"selden-block-r60-single-becket","title":"Selden R60 - 60 mm Manual Ratchet Block - Single, Swivel, Becket","description":"\u003cp\u003eThe Single Becket R60 manual ratchet block is designed for dynamic applications on dinghies and keelboats and features a ø60 mm composite sheave. A swivel lock, a plastic washer which is placed between block body and shackle, is included for fixed 0° or 90° shackle position The block is designed with lightweight Delrin ball bearings and a switch on each side to select ratchet function or a free spinning sheave\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":51564873351474,"sku":"SEL406-350-02R","price":106.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/406-350-02R.jpg?v=1786463863"},{"product_id":"selden-block-r60-single-becket-cam","title":"Selden R60 - 60 mm Manual Ratchet Block - Single, Swivel, Becket, Cam","description":"\u003cp\u003eThe Single Becket Cam R60 manual ratchet blocks is designed for dynamic applications on dinghies and keelboats and features a ø60 mm composite sheave. A swivel lock, a plastic washer which is placed between block body and shackle, is included for fixed 0° or 90° shackle position. Cam cleat arm in stainless steel and the cleat itself is size 38 with a top-guide The block is designed with lightweight Delrin ball bearings and a switch on each side to select ratchet function or a free spinning sheave\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":51564873384242,"sku":"SEL406-350-04R","price":190.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/406-350-04R.jpg?v=1786463862"},{"product_id":"selden-block-r60-cheek-clockwise","title":"Selden R60 - 60 mm Manual Ratchet Block - Cheek, Clockwise","description":"\u003cp\u003eThe Clockwise Cheek R60 manual ratchet block is designed for spinnaker\/gennaker sheet applications on dinghies and keelboats and features a ø60 mm composite sheave. The sheave has a clockwise direction when in ratchet mode and is therefore intended to be used for starboard sheet The block is designed with lightweight Delrin ball bearings and a switch to select ratchet function or a free spinning sheave. When the ratchet is activated it locks the sheave in one direction and allows the sailor to relax a bit without cleating the line\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":51564873449778,"sku":"SEL406-350-05R","price":96.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/406-350-05R.jpg?v=1786463863"},{"product_id":"selden-block-r60-cheek-anti-clockw","title":"Selden R60 - 60 mm Manual Ratchet Block - Cheek, Anti-clockwise","description":"\u003cp\u003eThe Anti-Clockwise Cheek R60 manual ratchet block is designed for spinnaker\/gennaker sheet applications on dinghies and keelboats and features a ø60 mm composite sheave. The sheave has an anti- clockwise direction when in ratchet mode and is therefore intended to be used on port side The block is designed with lightweight Delrin ball bearings and a switch to select ratchet function or a free spinning sheave. When the ratchet is activated it locks the sheave in one direction and allows the sailor to relax a bit without cleating the line\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":51564873482546,"sku":"SEL406-350-06R","price":96.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/406-350-06R.jpg?v=1786463884"},{"product_id":"selden-block-r60-triple-becket-cam","title":"Selden R60 - 60 mm Manual Ratchet Block - Triple, Swivel, Becket, Cam","description":"\u003cp\u003eThe Triple Becket Cam R60 manual ratchet blocks is designed for dynamic applications on dinghies and keelboats and features a ø60 mm composite sheave. A swivel lock, a plastic washer which is placed between block body and shackle, is included for fixed 0° or 90° shackle position. Cam cleat arm in stainless steel and the cleat itself is size 38 with a top-guide The block is designed with lightweight Delrin ball bearings and a switch on each side to select ratchet function or a free spinning sheave\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":51564873548082,"sku":"SEL406-350-09R","price":265.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/406-350-09R.jpg?v=1786463884"},{"product_id":"selden-block-r60-single-al-sheave","title":"Selden R60+ - 60 mm Manual Ratchet Block - Single, Swivel, Aluminum Sheave","description":"\u003cp\u003eThe single R60+ manual ratchet block is designed for dynamic applications on dinghies and keelboats and features a ø60 mm aluminium sheave. Aluminium makes for more grip and the ability to cope with relative thin lines The block is designed with lightweight Delrin ball bearings and a switch on each side to select ratchet function or a free spinning sheave. When the ratchet is activated it locks the sheave in one direction and allows the sailor to relax a bit without cleating the line\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":51564873711922,"sku":"SEL406-360-01R","price":145.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/406-360-01R.jpg?v=1786463885"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/collections\/406-350-01R.jpg?v=1792516906","url":"https:\/\/www.mauripro.com\/collections\/selection-guides-selden-ratchet-blocks.oembed","provider":"MAURIPRO Sailing","version":"1.0","type":"link"}