{"product_id":"harken-40mm-twing-block","title":"Harken 40mm Twing Block – Marine Boat Replacement Part","description":"\u003cp\u003e\u003cstrong\u003eHarken 40mm Twing Block – Marine Boat Replacement Part\u003c\/strong\u003e is organized for trim, tilt \u0026amp; hydraulic parts shoppers who need a clear, professional marine parts buying experience.\u003c\/p\u003e\u003cp\u003e40mm Twing Block Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high working loads for safe, easy trimming. Features: Opening side plate - Easy to rig and remove from sheet Spring biased to open when unlatched - One-handed operation Roller at pivot base - Use 1:1 or 2:1 up-down control Carbo Air® block construction - High strength for durability and lightweight for maximum float in light air Uses: Dinghies, sport boats, and small keelboats Spinnaker sheet and guy control Code zero sheet up-down control Specifications: Sheave Ø (mm): 40 mm Sheave Ø (in): 1-9\/16 in Length (m\u003c\/p\u003e\u003ch3\u003eFitment \u0026amp; Product Details\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eBrand \/ Manufacturer: Harken\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":"Harken","offers":[{"title":"Default Title","offer_id":42612211515481,"sku":"103566","price":77.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/1818\/2489\/files\/harken-40mm-twing-block-9536630.jpg?v=1761808374","url":"https:\/\/www.marinepartsonly.com\/products\/harken-40mm-twing-block","provider":"Marine Parts Only","version":"1.0","type":"link"}