{"product_id":"ronstan-series-40-all-purpose-block-triple-swivel-head-model-rf41300","title":"Ronstan Series 40 All Purpose Block - Triple Swivel Head, Model RF41300","description":"\u003cp\u003e\u003cstrong\u003eSeries 40 All Purpose Block - Triple - Swivel Head\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\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 sheave\u003c\/li\u003e\n\u003cli\u003eSlotted pin shackle eliminates fouled lines\u003c\/li\u003e\n\u003cli\u003eTwo way head post\u003c\/li\u003e\n\u003cli\u003eSpare parts - RF41010 Replacement Becket Pin, RF150 Shackle\u003c\/li\u003e\n\u003c\/ul\u003e\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\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMainsheet\u003c\/li\u003e\n\u003cli\u003eHalyard\u003c\/li\u003e\n\u003cli\u003eVang\u003c\/li\u003e\n\u003cli\u003eSpinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8m (26ft)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eMaterials:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eU.V. stabilised Acetal sheaves\u003c\/li\u003e\n\u003cli\u003eImpact and U.V. resistant, fibre reinforced Nylon cheeks\u003c\/li\u003e\n\u003cli\u003eGrade 316 stainless steel bearing race\u003c\/li\u003e\n\u003cli\u003eGrade 316 stainless steel load strap and head fitting\u003c\/li\u003e\n\u003cli\u003eSheave: UV stabilised acetal\u003c\/li\u003e\n\u003cli\u003eCheeks: Impact modified, fiber reinforced and UV stabilized nylon\u003c\/li\u003e\n\u003c\/ul\u003e \u003c!--- cis2:m2lumZRk ---\u003e\n\u003cp\u003eThe Ronstan Series 40 All Purpose Block (Model RF41300) is designed for demanding sailing applications requiring high strength and durability. Featuring a triple sheave with a swivel head, this block provides smooth operation and reliable performance for controlling sheets, halyards, and other control lines. Its self-lubricating acetal polymer sheaves run on polished stainless steel races, ensuring long-lasting performance whether handling dynamic or static loads. Ideal for cruising and racing, this versatile block is suitable for various applications including mainsheets, halyards, vangs, and spinnaker control lines on off-the-beach catamarans, one-design classes, and sportsboats up to 26 feet long. Constructed with impact-modified, UV stabilized nylon cheeks and Grade 316 stainless steel components, the Ronstan Series 40 block offers excellent resistance to environmental factors, extending its service life and reducing maintenance needs. The slotted pin shackle design prevents fouling lines, ensuring smooth operation during demanding sailing conditions. Additional accessories such as RF41010 Replacement Becket Pin and RF150 Shackle are available for maintenance and customization, further enhancing the block's versatility and longevity. This all-purpose block combines high load capacity with ease of use, making it a reliable choice for both competitive and recreational sailors seeking performance and durability in a compact package.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eExceptionally high working loads for demanding sailing conditions\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eLow maintenance design with long service life\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSelf-lubricating acetal polymer sheaves for smooth operation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSlotted pin shackle prevents fouled lines\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eTwo-way head post for versatile rigging options\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes optional spare parts: RF41010 Replacement Becket Pin and RF150 Shackle\u003c\/li\u003e\u003c\/ul\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":44530318934058,"sku":"70600","price":84.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/70600XL.jpg?v=1783116594","url":"https:\/\/atticusgoods.com\/products\/ronstan-series-40-all-purpose-block-triple-swivel-head-model-rf41300","provider":"Atticus Goods","version":"1.0","type":"link"}