{"product_id":"allen-20mm-single-block","title":"Allen 20mm Single Block","description":"\u003cp\u003e20mm single dynamic block with twin-row stainless steel ball bearings for smooth, low-friction performance. Lightweight and strong with Ultra-Strap design, ideal for dinghies, windsurfing, kitesurfing and small control line systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBearings\u003c\/strong\u003e – 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\u003e\u003cstrong\u003eUltra-Strap\u003c\/strong\u003e – Our patented Ultra-Strap is used in our 20, 30 \u0026amp; 40mm Dynamic blocks. The Ultra-Strap is unique when compared to other designs because of its coining process. This process strengthens the strap, making it more reliable and hard-wearing as well as making it much more rope friendly than other designs. The Ultra-Strap was the first marine industry block designed to work specifically with a rope attachment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBecket\u003c\/strong\u003e – 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","brand":"Allen","offers":[{"title":"Default Title","offer_id":44214107045981,"sku":"45.A2020","price":21.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/9407\/2413\/files\/1_cf13d13e-bc27-4929-8e7d-1ed0861f65e4.png?v=1771604847","url":"https:\/\/coliesail.com\/products\/allen-20mm-single-block","provider":"Colie Sails","version":"1.0","type":"link"}