{"title":"Selden Soft Attachment 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\"\u003ePick a Selden S20, S30 or S40 soft attachment block: block-only singles and doubles or the complete single kit with Dyneema lashing, with weights, loads and line sizes.\u003c\/p\u003e\n\u003cdiv class=\"om-box\"\u003e\n\u003cdiv class=\"om-row\"\u003e\n\u003cspan\u003eDocument\u003c\/span\u003e\u003cb\u003eSelden Soft Attachment Blocks Selection Guide\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-row\"\u003e\n\u003cspan\u003eFormat\u003c\/span\u003e\u003cb\u003ePDF · 3 pages · 0.6 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-Soft-Attachment-Blocks-S20-S30-S40.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-ball-bearing-blocks\"\u003eView Collection\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-toc\"\u003e\n\u003ca href=\"#om-range\"\u003eThe Range\u003c\/a\u003e\u003ca href=\"#om-block\"\u003eBlock Only\u003c\/a\u003e\u003ca href=\"#om-kit\"\u003eComplete Kits\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\/402-101-60R.jpg?v=1786463776\" alt=\"Selden Soft Attachment Blocks — Selection Guide\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-range\"\u003e\n\u003ch2 class=\"om-h\"\u003eSoft Attachment Blocks\u003c\/h2\u003e\n\u003cp\u003eLow friction and low weight with a soft, flexible attachment. Three sheave sizes (S20, S30, S40), all with an acetal sheave on stainless steel ball bearings. Choose the block only, or the single block as a complete kit including a Dyneema lashing.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eA block insert is used for the S30 and S40 series.\u003c\/li\u003e\n\u003cli\u003eS20 complete kit: lashing only.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-block\"\u003e\n\u003ch2 class=\"om-h\"\u003eBlock Only\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 size (mm)\u003c\/th\u003e\n\u003cth\u003eMax line size to tie-on (mm)\u003c\/th\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e402-101-60R\u003c\/td\u003e\n\u003ctd\u003eS20 single\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003e200\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e\u003ca class=\"om-shop\" href=\"\/products\/selden-block-s20-single-soft-attach-incl-rope-o2\"\u003eView block →\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e402-101-61R\u003c\/td\u003e\n\u003ctd\u003eS20 double\u003c\/td\u003e\n\u003ctd\u003e19\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003e200\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e\u003ca class=\"om-shop\" href=\"\/products\/selden-block-s20-double-soft-attachment\"\u003eView block →\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e403-101-60R\u003c\/td\u003e\n\u003ctd\u003eS30 single\u003c\/td\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003ctd\u003e200\u003c\/td\u003e\n\u003ctd\u003e450\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e\u003ca class=\"om-shop\" href=\"\/products\/selden-block-s30-single-soft-attach-incl-rope-o2\"\u003eView block →\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e403-101-61R\u003c\/td\u003e\n\u003ctd\u003eS30 double\u003c\/td\u003e\n\u003ctd\u003e37\u003c\/td\u003e\n\u003ctd\u003e200\u003c\/td\u003e\n\u003ctd\u003e450\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e\u003ca class=\"om-shop\" href=\"\/products\/selden-block-s30-double-soft-attachment\"\u003eView block →\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e404-101-60R\u003c\/td\u003e\n\u003ctd\u003eS40 single\u003c\/td\u003e\n\u003ctd\u003e46\u003c\/td\u003e\n\u003ctd\u003e250\u003c\/td\u003e\n\u003ctd\u003e500\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e\u003ca class=\"om-shop\" href=\"\/products\/selden-block-s40-single-soft-attach-incl-rope-o2\"\u003eView block →\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e404-101-61R\u003c\/td\u003e\n\u003ctd\u003eS40 double\u003c\/td\u003e\n\u003ctd\u003e86\u003c\/td\u003e\n\u003ctd\u003e250\u003c\/td\u003e\n\u003ctd\u003e500\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e\u003ca class=\"om-shop\" href=\"\/products\/selden-block-s40-double-soft-attachment\"\u003eView block →\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-kit\"\u003e\n\u003ch2 class=\"om-h\"\u003eSingle Blocks, Complete Kits\u003c\/h2\u003e\n\u003cp\u003eAcetal sheave, stainless steel ball bearings, lashing and insert included (S20: lashing only).\u003c\/p\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 size (mm)\u003c\/th\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e402-101-62R\u003c\/td\u003e\n\u003ctd\u003eS20 single\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003e200\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e\u003ca class=\"om-ask\" href=\"\/pages\/contact\"\u003eAsk us to source it →\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e403-101-62R\u003c\/td\u003e\n\u003ctd\u003eS30 single\u003c\/td\u003e\n\u003ctd\u003e22\u003c\/td\u003e\n\u003ctd\u003e150*\u003c\/td\u003e\n\u003ctd\u003e300*\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e\u003ca class=\"om-ask\" href=\"\/pages\/contact\"\u003eAsk us to source it →\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e404-101-62R\u003c\/td\u003e\n\u003ctd\u003eS40 single\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e250\u003c\/td\u003e\n\u003ctd\u003e500\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e\u003ca class=\"om-ask\" href=\"\/pages\/contact\"\u003eAsk us to source it →\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"om-note\"\u003e*S30: the insert reduces the safe working load and breaking load.\u003c\/p\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-s20-single-soft-attach-incl-rope-o2","title":"Selden 20 mm S20 Soft Attachment Block - Single, Soft Attachment","description":"\u003cp\u003eThe S20 Soft Attachment Block is a high-quality, lightweight block with a low-friction design. It features an Acetal sheave and ball bearings in stainless steel. Ideal for trim lines on smaller boats in racing conditions. Easy to install with the included 2 mm Dyneema line Ideal for trim lines on smaller boats in racing conditions when a strong, tight, silent and flexible attachment is desired\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":51564870762802,"sku":"SEL402-101-60R","price":22.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/402-101-60R.jpg?v=1786463776"},{"product_id":"selden-block-s20-double-soft-attachment","title":"Selden 20 mm S20 Soft Attachment Block - Double, Soft Attachment","description":"\u003cp\u003eThe S20 Soft Attachment Double Block is a high-quality, lightweight block with a low-friction design. It features Acetal sheaves and ball bearings in stainless steel. Ideal for trim lines on smaller boats in racing conditions. Easy to install with lashing up to Ø4 mm Ideal for trim lines on smaller boats in racing conditions when a strong, tight, silent and flexible attachment is desired\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":51564870795570,"sku":"SEL402-101-61R","price":44.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/402-101-61R.jpg?v=1786463775"},{"product_id":"selden-block-s30-single-soft-attach-incl-rope-o2","title":"Selden 30 mm S30 Soft Attachment Block - Single, Soft Attachment","description":"\u003cp\u003eThe S30 Single Soft Attachment Block is a high-quality, lightweight block with a low-friction design. It features an Acetal sheave and ball bearings in stainless steel. Easy to install with the included 2 mm Dyneema line Ideal for trim lines on smaller boats in racing conditions when a strong, tight, silent and flexible attachment is desired\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":51564871057714,"sku":"SEL403-101-60R","price":32.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/403-101-60R.jpg?v=1786463793"},{"product_id":"selden-block-s30-double-soft-attachment","title":"Selden 30 mm S30 Soft Attachment Block - Double, Soft Attachment","description":"\u003cp\u003eThe S30 Double Soft Attachment Block is a high-quality, lightweight block with a low-friction design. It features an Acetal sheave and ball bearings in stainless steel. 2 mm Dyneema line is recommended for attaching the block. Not included Ideal for trim lines on smaller boats in racing conditions when a strong, tight, silent and flexible attachment is desired\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":51564871123250,"sku":"SEL403-101-61R","price":51.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/403-101-61R.jpg?v=1786463792"},{"product_id":"selden-block-s40-single-soft-attach-incl-rope-o2","title":"Selden 40 mm S40 Soft Attachment Block - Single, Soft Attachment","description":"\u003cp\u003eThe S40 Single Soft Attachment Block is a lightweight, high-performance block featuring a 40 mm sheave with stainless steel ball bearings for smooth operation under dynamic loads Ideal for trim lines on smaller boats in racing conditions when a strong, tight, silent and flexible attachment is desired\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":51564871614770,"sku":"SEL404-101-60R","price":44.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/404-101-60R.jpg?v=1786463810"},{"product_id":"selden-block-s40-double-soft-attachment","title":"Selden 40 mm S40 Soft Attachment Block - Double, Soft Attachment","description":"\u003cp\u003eThe S40 Double Soft Attachment Block features two 40 mm sheaves, designed for high-performance rigging under dynamic loads. Stainless steel ball bearings ensure smooth, friction-free operation, while the soft attachment system allows for secure and flexible rigging Ideal for trim lines on smaller boats in racing conditions when a strong, tight, silent and flexible attachment is desired\u003c\/p\u003e","brand":"Selden","offers":[{"title":"Default Title","offer_id":51564871680306,"sku":"SEL404-101-61R","price":73.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/404-101-61R.jpg?v=1786463810"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/collections\/402-101-60R_1a8c81c0-9b0e-46ec-80d6-594fd505e0e2.jpg?v=1792517007","url":"https:\/\/www.mauripro.com\/collections\/selection-guides-selden-soft-attachment-blocks.oembed","provider":"MAURIPRO Sailing","version":"1.0","type":"link"}