{"product_id":"ronstan-series-40-ball-bearing-upright-lead-block","title":"Ronstan Series 40 Ball Bearing Upright Lead Block","description":"\u003cp\u003e\u003cstrong\u003eRonstan Series 40 Ball Bearing Upright Lead Block\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eLead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers.\u003c\/p\u003e\n\u003cp\u003ePrecision moulded Acetal sheaves running on Acetal ball bearings provide high performance \u0026amp; low friction. The 2-stage ball bearing system provides consistent performance over the full load range.\u003c\/p\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): 1 9\/16\u003c\/li\u003e\n\u003cli\u003eFastener Ø (in): 3\/16\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMaterials:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAcetal ball bearings. UV stabilised Acetal sheave. Grade 316 stainless steel load housing\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ronstan Sailboat Hardware","offers":[{"title":"Default Title","offer_id":53594346127732,"sku":"RONRF40171","price":56.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/4004\/9524\/files\/RONRF40171-2__40613.jpg.1428984928.jpg?v=1761730302","url":"https:\/\/velasailingsupply.com\/products\/ronstan-series-40-ball-bearing-upright-lead-block","provider":"Vela Sailing Supply","version":"1.0","type":"link"}