{"product_id":"allen-brothers-20mm-dynamic-back-to-back","title":"Allen Brothers 20MM Dynamic Back To Back","description":"\u003ch3\u003e20mm Back To Back Dynamic Block.\u003c\/h3\u003e\n\u003cp\u003eThe sheaves face opposite directions to allow two control lines to run at a maximum of 180 degrees to each other. Held together with a strong stainless steel side strap and nylon mouldings ensures the block will not separate even under two very high opposing loads.\u003c\/p\u003e\n\u003cp\u003eThe strength of the design lends itself to be tied around the middle in the slight V shape, meaning it can be used in applications such as triangle backstay systems found on sports boats.\u003c\/p\u003e\n\u003cp\u003eOne of the more popular applications is in a dual pole and spinnaker launcher system such as the system commonly found on a 49er.\u003c\/p\u003e\n\u003cp\u003eBearings ? Dynamic Blocks feature our patented bearing system which uses twin rows of stainless-steel ball bearings running on a stainless-steel rail. This provides a superior load-carrying ability and longevity when compared to other bearing systems which run on a plastic rail.\u003c\/p\u003e\n\u003cp\u003eBecket ? Our 20 \u0026amp; 30mm blocks offer a large central rivet which not only reduces the overall weight but also offers a rope friendly attachment, perfect as a tie-off point when being used in a cascade system.\u003c\/p\u003e\n\u003cdiv class=\"container\"\u003e\n\u003cdiv class=\"cabDes\"\u003eTechnical Description\u003c\/div\u003e\n\u003cdiv class=\"col-4 menu units\"\u003eFeatures\u003c\/div\u003e\n\u003cdiv class=\"col-4 menu units\"\u003eMetric\u003c\/div\u003e\n\u003cdiv class=\"col-4 menu units\"\u003eAmerican\u003c\/div\u003e\n\u003cdiv class=\"col-4 menu col-12M\"\u003eLength\u003c\/div\u003e\n\u003cdiv class=\"cell col-4 col-6M\"\u003e2.08 in\u003c\/div\u003e\n\u003cdiv class=\"cell col-4 col-6M\"\u003e52.8 mm\u003c\/div\u003e\n\u003cdiv class=\"col-4 menu col-12M\"\u003eLine Diameter\u003c\/div\u003e\n\u003cdiv class=\"cell col-4 col-6M\"\u003e0.24 in\u003c\/div\u003e\n\u003cdiv class=\"cell col-4 col-6M\"\u003e6 mm\u003c\/div\u003e\n\u003cdiv class=\"col-4 menu col-12M\"\u003eBreaking Load\u003c\/div\u003e\n\u003cdiv class=\"cell col-4 col-6M\"\u003e1190.50 lb\u003c\/div\u003e\n\u003cdiv class=\"cell col-4 col-6M\"\u003e540 Kg\u003c\/div\u003e\n\u003cdiv class=\"col-4 menu col-12M\"\u003eMaximum Working Load\u003c\/div\u003e\n\u003cdiv class=\"cell col-4 col-6M\"\u003e253.53 lb\u003c\/div\u003e\n\u003cdiv class=\"cell col-4 col-6M\"\u003e115 Kg\u003c\/div\u003e\n\u003cdiv class=\"col-4 menu col-12M\"\u003eWeight\u003c\/div\u003e\n\u003cdiv class=\"cell col-4 col-6M\"\u003e0.04 lb\u003c\/div\u003e\n\u003cdiv class=\"cell col-4 col-6M\"\u003e20 g\u003c\/div\u003e\n\u003cdiv class=\"col-4 menu col-12M\"\u003eBearing Detail\u003c\/div\u003e\n\u003cdiv class=\"cell col-4 col-6M\"\u003e-\u003c\/div\u003e\n\u003cdiv class=\"cell col-4 col-6M\"\u003eStainless Steel\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Allen Brothers","offers":[{"title":"Default Title","offer_id":53605777539444,"sku":"ALNA2028","price":38.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/4004\/9524\/files\/ALNA2028__75500.jpg.1428984928.jpg?v=1761817066","url":"https:\/\/velasailingsupply.com\/products\/allen-brothers-20mm-dynamic-back-to-back","provider":"Vela Sailing Supply","version":"1.0","type":"link"}