{"product_id":"ronstan-series-20-ball-bearing-cheek-block","title":"Ronstan Series 20 Ball Bearing Cheek Block","description":"\u003cp\u003eThe Ronstan RF20151 is a Series 20 ball bearing single sheave cheek block. Precision moulded UV-stabilised Acetal sheave running on stainless steel ball bearings delivers high performance and low friction. Double through-bolt mounting provides maximum load capacity.\u003c\/p\u003e\u003cbr\u003e\u003cstrong\u003eTypical Applications:\u003c\/strong\u003e\u003cbr\u003e- Dinghy control lines and vangs\u003cbr\u003e- Cunninghams\u003cbr\u003e- Traveller controls\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003cbr\u003e- Type: Cheek\/Foot Block\u003cbr\u003e- Sheave Diameter: 20mm\u003cbr\u003e- Maximum Rope Diameter: 6mm\u003cbr\u003e- Breaking Load: 550kg\u003cbr\u003e- Maximum Working Load: 250kg\u003cbr\u003e- Fastener Diameter: 4mm (5\/32\") — suits 2 x 4mm fasteners (not supplied)\u003cbr\u003e- Weight: 14g\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eMaterials:\u003c\/strong\u003e\u003cbr\u003e- Sheave: UV-stabilised Acetal\u003cbr\u003e- Ball Bearings: Stainless steel\u003cbr\u003e- Load Straps \u0026amp; Head Fittings: Grade 316 stainless steel\u003cbr\u003e\u003cbr\u003eItem Code. RF20151","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":48582016172264,"sku":"9316800255603","price":19.9,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/9065\/8280\/files\/9316800255603_1.jpg?v=1779526359","url":"https:\/\/boatharbourmarine.com.au\/products\/ronstan-series-20-ball-bearing-cheek-block","provider":"Boat Harbour Marine","version":"1.0","type":"link"}