{"product_id":"ronstan-series-25-ball-bearing-orbit-block-lashing-rf28109","title":"Ronstan Series 25 Ball Bearing Orbit Block - Lashing [RF28109]","description":" \u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSeries 25 Ball Bearing Orbit Block™ - Lashing\u003c\/strong\u003e\u003c\/p\u003e\u003cp id=\"isPasted\"\u003eSingle sheave ball bearing block with becket and lashing head.\u003c\/p\u003e\u003cp id=\"isPasted\"\u003eThe Series 25 Ball Bearing Orbit Blocks™ deliver superior strength, reduced weight, and exceptional performance for high-demand dinghy and small boat applications.\u003c\/p\u003e\u003cp\u003eDesigned with competitive sailors and performance boats in mind, these compact 25mm blocks are engineered to achieve the highest possible strength-to-weight ratio. Featuring Ronstan’s renowned high-compression strength acetal bearing system, the Series 25 BB Orbit Blocks are a lightweight yet durable solution, ideal for control line systems such as mainsheet and spinnaker sheet turning blocks, cunninghams, and cascading vangs on dinghies up to 4 metres.\u003c\/p\u003e\u003cp\u003eEach block has a stainless steel hub for versatile lashing attachments and through-sheave becket functionality, making them adaptable to a wide range of rigging setups. The hub accommodates up to 4mm (5\/32\") lashing and ensures maximum efficiency without compromising reliability.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli id=\"isPasted\"\u003e2-stage ball bearing system.\u003c\/li\u003e\n\u003cli\u003eSuits up to 8mm (5\/16”) lines.\u003c\/li\u003e\n\u003cli\u003eHollow hub for becket take-off.\u003c\/li\u003e\n\u003cli\u003eLashing blocks suit up to 4mm (5\/32”) lashing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli id=\"isPasted\"\u003eMax. Rope diameter (in): 5\/16\u003c\/li\u003e\n\u003cli\u003eSheave diameter (in): 1\u003c\/li\u003e\n\u003cli\u003eB.L. (lb): 1650\u003c\/li\u003e\n\u003cli\u003eWeight (oz): 0.5\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMainsheet and spinnaker sheet turning blocks on dinghies to 4m (13ft). \u003c\/li\u003e\n\u003cli\u003eControl lines.\u003c\/li\u003e\n\u003cli\u003eCascading vangs.\u003c\/li\u003e\n\u003cli\u003eLeech lines \u0026amp; cunninghams.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eMaterials:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli id=\"isPasted\"\u003eBB Sheave and balls: High compression strength acetal.\u003c\/li\u003e\n\u003cli\u003eFrame\/cheeks: Toughened, glass-fiber-reinforced nylon.\u003c\/li\u003e\n\u003c\/ul\u003e \u003c!--- cis2:m2lmm5tp ---\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":47986098569458,"sku":"CWR-110654","price":16.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/7016\/7282\/files\/110654XL.jpg?v=1758844244","url":"https:\/\/shop.marinerexchange.com\/products\/ronstan-series-25-ball-bearing-orbit-block-lashing-rf28109","provider":"Mariner Exchange, Inc","version":"1.0","type":"link"}