{"product_id":"ronstan-8-1-4-1-two-speed-mainsheet-top-blocks-only","title":"Ronstan 8:1 \u0026 4:1 Two-Speed Mainsheet Top Blocks Only","description":"\u003cp\u003e\u003cstrong\u003eRonstan 8:1 \u0026amp; 4:1 Two-Speed Mainsheet Top Blocks Only\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCoarse and and fine tuning purchase system\u003c\/li\u003e\n\u003cli\u003eUnrivalled 18:1 holding power\u003c\/li\u003e\n\u003cli\u003eDual sided On-Off switch\u003c\/li\u003e\n\u003cli\u003eLow friction ball bearing system\u003c\/li\u003e\n\u003cli\u003eLightweight\u003c\/li\u003e\n\u003cli\u003eCheek cut-outs for easy bearing maintenance\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): 3\/8\u003c\/li\u003e\n\u003cli\u003eSheave diameter (in): 3 + 2\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMaterials:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCarbon Black Acetal ball bearings. U.V. stabilised Acetal sheaves, alloy ratchet sheaves. Cheek plates: Anodised aluminium. Torlon® ratchet pawl. Adjustable cleat arms\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ronstan Sailboat Hardware","offers":[{"title":"Default Title","offer_id":53594572456308,"sku":"RONRF72900T","price":645.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/4004\/9524\/files\/RONRF72900T-2__47831.jpg.1428984928.jpg?v=1761730678","url":"https:\/\/velasailingsupply.com\/products\/ronstan-8-1-4-1-two-speed-mainsheet-top-blocks-only","provider":"Vela Sailing Supply","version":"1.0","type":"link"}