{"product_id":"ronstan-series-75-ratchet-pivoting-low-lead-block","title":"Ronstan Series 75 Ratchet, Pivoting Low Lead Block","description":"\u003cp\u003e\u003cstrong\u003eRonstan Series 75 Ratchet, Pivoting Low Lead Block\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMaintains alignment with a variable line entry-angle. The line passes through the centre of the pivot support, remaining as close to the deck as possible. The patented extruded hole design, in conjunction with the groove profile of the sheave, provides a more powerful grip than conventional designs - up to 20:1 holding power.\u003c\/p\u003e\n\u003cp\u003eUnrivalled low weight is achieved by the use of a Torlon ratchet pawl, high-grade machined alloy sheave and black Acetal hubs and bearings. ON\/OFF switching knob is fitted to both sides of the swivel blocks (one can be removed if desired). Ratchet blocks can be disassembled for sheave replacement with RF72000.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUnrivalled 20:1 holding power.\u003c\/li\u003e\n\u003cli\u003eDual sided On\/Off switch.\u003c\/li\u003e\n\u003cli\u003eAbility to operate On\/Off switch under load.\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\u003eMaterials:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBall bearings: High compression strength acetal.\u003c\/li\u003e\n\u003cli\u003eSheave and cheek plates: Anodised aluminium.\u003c\/li\u003e\n\u003cli\u003eRatchet pawl: High strength Torlon.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ronstan Sailboat Hardware","offers":[{"title":"Default Title","offer_id":53594569310580,"sku":"RONRF72174","price":309.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/4004\/9524\/files\/RONRF72174-2__80103.jpg.1428984928.jpg?v=1761730672","url":"https:\/\/velasailingsupply.com\/products\/ronstan-series-75-ratchet-pivoting-low-lead-block","provider":"Vela Sailing Supply","version":"1.0","type":"link"}