{"product_id":"ronstan-series-50-all-purpose-cheek-block","title":"Ronstan Series 50 All Purpose Cheek Block","description":"\u003cp\u003e\u003cstrong\u003eRonstan Series 50 All Purpose Cheek Block\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAll purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.\u003c\/p\u003e\n\u003cp\u003eCan be mounted on masts and booms using the curved surface adapter. Can be stacked to create a double version, but no more than 50% of the rated working load should be applied to the upper sheave. Mount with 3 x 6mm (1\/4\") fasteners (not supplied).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExceptionally high working loads.\u003c\/li\u003e\n\u003cli\u003eLow maintenance, long service life.\u003c\/li\u003e\n\u003cli\u003eSelf-lubricating Acetal polymer sheave ensures low friction and extreme durability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMax. Rope diameter (in): 1\/2\u003c\/li\u003e\n\u003cli\u003eSheave diameter (in): 2\u003c\/li\u003e\n\u003cli\u003eFastener Ø (in): 1\/4\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMaterials:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCheeks: Aluminium.\u003c\/li\u003e\n\u003cli\u003eSheaves: UV stabilised acetal.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ronstan Sailboat Hardware","offers":[{"title":"Default Title","offer_id":53594413990260,"sku":"RONRF51151","price":56.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/4004\/9524\/files\/RONRF51151-2__41241.jpg.1428984928.jpg?v=1761730424","url":"https:\/\/velasailingsupply.com\/products\/ronstan-series-50-all-purpose-cheek-block","provider":"Vela Sailing Supply","version":"1.0","type":"link"}