{"product_id":"ronstan-series-40-ratchet-orbit-block-single-auto-swivel-shackle-head","title":"Ronstan Series 40 Ratchet Orbit Block™ - Single - Auto - Swivel Shackle Head – Marine Electrical Replacement Part","description":"\u003cp\u003e\u003cstrong\u003eRonstan Series 40 Ratchet Orbit Block™ - Single - Auto - Swivel Shackle Head – Marine Electrical Replacement Part\u003c\/strong\u003e is organized for electrical wiring \u0026amp; connectors shoppers who need a clear, professional marine parts buying experience.\u003c\/p\u003e\u003cp\u003eSeries 40 Ratchet Orbit Block™ - Single - Auto - Swivel Shackle Head Automatic Ratchet With automatic models, the ratchet mechanism engages when load is applied, but switches off when it's released. This lets the sheet run out smoothly and freely-great for rapid easing of the sheet and for gybing asymmetric spinnakers. Awesome Ratchet Block Holding Power Quite simply, Ronstan Ratchet Orbit Blocks™ have the highest holding power available. The sophisticated NC-machined sheave features Generation 2 of our sheave cross-hole geometry. The Series 40 delivers up to 14:1 holding power, almost double that of our nearest competititor. The unique sheave design has 8 gripping faces which directly resis\u003c\/p\u003e\u003ch3\u003eFitment \u0026amp; Product Details\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eBrand \/ Manufacturer: Ronstan\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\n\u003cli\u003eSearch-optimized by brand, system, part type, and fitment cues.\u003c\/li\u003e\n\u003cli\u003eVerify compatibility with your original part number, engine model, and application before ordering.\u003c\/li\u003e\n\u003cli\u003eBuilt for boat owners, e-commerce shoppers, and professional marine service teams.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":43285690712153,"sku":"55220","price":77.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/1818\/2489\/files\/ronstan-series-40-ratchet-orbit-block153-single-auto-swivel-shackle-head-4539118.jpg?v=1761801593","url":"https:\/\/www.marinepartsonly.com\/products\/ronstan-series-40-ratchet-orbit-block-single-auto-swivel-shackle-head","provider":"Marine Parts Only","version":"1.0","type":"link"}