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Get it between 2025-02-18 to 2025-02-25. Additional 3 business days for provincial shipping.
Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable
Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming
Utility Block with Fixed Shackle for 3/8" D Lines
Expertly made from premium materials
Maximum Line Diameter: 10 mm (3/8"); Maximum Working Load: 440 kg (970 lb); Sheave Diameter: 40 mm (1-9/16")
T2 blocks come in single and double configurations and can be tied, spliced, or lashed to almost anything. T2 doubles feature composite line guides that are integrated into the block head. They prevent the block from capsizing by pushing the lashing line to the outer edges of the side plates. The 29, 40, and 57 mm blocks feature composite sheaves that spin freely on Delran ball bearings with curved bearing races. They have no metal shackles or rivets, making them the lightest soft-attach blocks Harken has ever designed. All T2 blocks route the attachment line through the block head and sheave, decreasing the loads on the side plates and acting as a safety backup for the system. Use for traveler controls, mainsheets and vans, cascades, bridles, and other systems where small lightweight blocks are called for. A length of Spectra line is included. Maximum line O: 10 mm. Maximum line O: 3/8 in. Maximum working load: 317 kg. Maximum working load: 700 lb. Breaking load: 952 kg. Breaking load: 2100 lb. Sheave O: 40 mm. Sheave O: 1-9/16 in. Length: 57 mm. Length: 2-1/4 in. Weight: 48 g. Weight: 1.7 oz.