{"product_id":"ronstan-series-40-all-purpose-block-single-upright-lead-for-rigging-and-sail-control","title":"Ronstan Series 40 All Purpose Block - Single Upright Lead for Rigging and Sail Control - RF41171","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSeries 40 All Purpose Block - Single Upright Lead\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eLead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers. Ideal for high load applications. Wear resistant sheave material, in lightweight, self lubricating polymer, is suitable for use with rope or wire.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eTypically used for halyards at the mast base.\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eMaterials:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003eUV stabilised acetal sheave\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eGrade 316 stainless steel load housing\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e \n\u003cbr\u003e\u003cp\u003eThe \u003cstrong\u003eRonstan Series 40 All Purpose Block - Single Upright Lead\u003c\/strong\u003e is a versatile and reliable solution designed for guiding halyards and other rig sail controls back to cleats or jammers on your boat. Its low profile design ensures minimal obstruction while providing high load capacity, making it an excellent choice for demanding sailing applications. Crafted with durable materials, this block is built to withstand the rigors of marine environments and deliver long-lasting performance.\u003c\/p\u003e \u003cp\u003eConstructed with a \u003cstrong\u003eUV stabilized acetal sheave\u003c\/strong\u003e, the Series 40 block offers a smooth and wear-resistant surface for both rope and wire halyards. The lightweight, self-lubricating polymer sheath reduces friction and maintenance requirements, ensuring efficient operation over time. The load housing is made from \u003cstrong\u003eGrade 316 stainless steel\u003c\/strong\u003e, providing excellent corrosion resistance in saltwater conditions, which is essential for maintaining reliability and safety during extended voyages.\u003c\/p\u003e \u003cp\u003eThis block is ideally suited for \u003cstrong\u003ehalyards at the mast base\u003c\/strong\u003e or other high-load rigging scenarios where space-saving and durability are priorities. Its compact design and robust construction make it suitable for a wide range of sailing vessels, from small boats to larger yachts. Easy to install and maintain, the Ronstan Series 40 is a trusted choice for sailors seeking performance and longevity in their rigging hardware.\u003c\/p\u003e \u003cp\u003eWhether you're replacing worn-out blocks or outfitting a new rig, the Ronstan Series 40 All Purpose Block delivers dependable performance with high load capacity and low friction operation. Enhance your sailing experience with this high-quality, purpose-built component designed to meet the demands of serious sailors.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\n\u003cbr\u003e* Low profile design for space-saving installation\n\u003cbr\u003e* High load capacity suitable for demanding rigging applications\n\u003cbr\u003e* Wear-resistant, lightweight self-lubricating polymer sheave\n\u003cbr\u003e* UV stabilized acetal sheave for durability and smooth operation\n\u003cbr\u003e* Grade 316 stainless steel load housing for corrosion resistance\n\u003cbr\u003e* Ideal for halyards at the mast base and other sail control lead applications\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":48633739477300,"sku":"70602","price":49.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0742\/0575\/7748\/files\/70602XL.jpg?v=1750413030","url":"https:\/\/bldmarine.com\/products\/ronstan-series-40-all-purpose-block-single-upright-lead-for-rigging-and-sail-control","provider":"BLDMarine","version":"1.0","type":"link"}