{"product_id":"20mm-stainless-steel-friction-block-with-swivel-shackle-for-4-10mm-rope-112kg-working-load","title":"Sprenger Super Mini Blocks 20mm for 4-10mm Rope | Multiple Attachment Options","description":"\u003cdiv\u003e\n\n\u003ch2\u003eSprenger Super Mini Blocks – 20mm Sheave\u003c\/h2\u003e\n\n\u003cp\u003e\nThe Sprenger Super Mini Block series is designed for sailors seeking compact, lightweight and reliable pulley systems for control lines and light-duty rigging applications. Manufactured from high-quality AISI 304 stainless steel with low-friction plain bearings, these blocks deliver smooth operation, excellent corrosion resistance and long service life in demanding marine environments.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThanks to their compact 20 mm sheave design, Super Mini Blocks are ideal for dinghies, small sailboats, tenders and a wide range of onboard applications where space and weight savings are important. Multiple attachment styles are available, including swivels, beckets, bows, forks and double-sheave configurations, allowing you to select the ideal block for your specific rigging setup.\n\u003c\/p\u003e\n\n\u003cp\u003e\nWhether used for control lines, flag halyards, lazy jacks, light-duty sheet systems or general marine hardware installations, Sprenger Super Mini Blocks provide dependable performance and proven German engineering.\n\u003c\/p\u003e\n\n\u003ch3\u003e⚙️ Features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e⛵ Designed for sailboats and marine applications\u003c\/li\u003e\n\u003cli\u003e🧵 Suitable for 4-10 mm rope (depending on model)\u003c\/li\u003e\n\u003cli\u003e📐 20 mm sheave diameter\u003c\/li\u003e\n\u003cli\u003e🛡️ AISI 304 stainless steel construction\u003c\/li\u003e\n\u003cli\u003e🔄 Available with swivel, fork, becket and bow attachments\u003c\/li\u003e\n\u003cli\u003e🌊 Excellent corrosion resistance\u003c\/li\u003e\n\u003cli\u003e⚓ Compact and lightweight design\u003c\/li\u003e\n\u003cli\u003e🏭 Manufactured by Sprenger\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e📋 Available Variants\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e🔄 Wire Swivel – 8146082-01\u003c\/li\u003e\n\u003cli\u003e⚓ Becket – 8146082-02\u003c\/li\u003e\n\u003cli\u003e🔄 Wire Swivel \u0026amp; Fender Cleat – 8146082-03\u003c\/li\u003e\n\u003cli\u003e🔹 Bow – 8146082-04\u003c\/li\u003e\n\u003cli\u003e🔹 Bow with Hole – 8146082-05\u003c\/li\u003e\n\u003cli\u003e🔹 Double Sheave Bow – 8146082-06\u003c\/li\u003e\n\u003cli\u003e🔹 Bow with Hole \u0026amp; Brass Sheave – 8146082-07\u003c\/li\u003e\n\u003cli\u003e🔄 Fork \u0026amp; Swivel – 8146082-08\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e📊 Technical Specifications\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e📐 Sheave Diameter: 20 mm\u003c\/li\u003e\n\u003cli\u003e🧵 Rope Diameter: 4-10 mm (model dependent)\u003c\/li\u003e\n\u003cli\u003e⚖️ Working Load: 37-235 kg (depending on model)\u003c\/li\u003e\n\u003cli\u003e💥 Breaking Load: 150-940 kg (depending on model)\u003c\/li\u003e\n\u003cli\u003e🛡️ Material: AISI 304 Stainless Steel \/ Plastic\u003c\/li\u003e\n\u003cli\u003e🏭 Manufacturer: Sprenger\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e⚓ Recommended Applications\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eControl lines\u003c\/li\u003e\n\u003cli\u003eFlag halyards\u003c\/li\u003e\n\u003cli\u003eLazy jacks\u003c\/li\u003e\n\u003cli\u003eLight-duty sheet systems\u003c\/li\u003e\n\u003cli\u003eDinghies and small sailboats\u003c\/li\u003e\n\u003cli\u003eTenders and day sailors\u003c\/li\u003e\n\u003cli\u003eGeneral marine hardware installations\u003c\/li\u003e\n\u003cli\u003eCustom rigging projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e","brand":"Marinetech","offers":[{"title":"Wire swivel","offer_id":47721538125987,"sku":"8146082-01","price":28.35,"currency_code":"CAD","in_stock":true},{"title":"Wire swivel and fender cleat","offer_id":47721538158755,"sku":"8146082-03","price":36.18,"currency_code":"CAD","in_stock":true},{"title":"Bow","offer_id":47721538191523,"sku":"8146082-04","price":25.13,"currency_code":"CAD","in_stock":true},{"title":"Bow with hole","offer_id":47721538224291,"sku":"8146082-05","price":28.15,"currency_code":"CAD","in_stock":true},{"title":"Bo 2 sheaves","offer_id":47721538257059,"sku":"8146082-06","price":40.21,"currency_code":"CAD","in_stock":true},{"title":"Bow with hole sheave brass nickel plated","offer_id":47721538289827,"sku":"8146082-07","price":36.18,"currency_code":"CAD","in_stock":true},{"title":"Fork and swivel","offer_id":47721538322595,"sku":"8146082-08","price":53.75,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0269\/8834\/7525\/files\/8146082-08.png?v=1780150996","url":"https:\/\/dadamarine.com\/products\/20mm-stainless-steel-friction-block-with-swivel-shackle-for-4-10mm-rope-112kg-working-load","provider":"Dada Marine Inc","version":"1.0","type":"link"}