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Harken 57mm Carbo Block
Low-friction Carbo Air blocks are lightweight, strong, reliableand affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. Sheave (mm) 57 mm Sheave (in) 2-1/4 in Maximum line (mm) 10 mm Maximum line (in) 3/8 in Maximum working load (kg) 816 kg Maximum working load (lb) 1800 lb.
Usually Stocked Items normally ship immediately or in 1-2 business days. These items are returnable subject to our
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Quick Access Items normally ship in 1-2 business days. Quick Access Items are returnable subject to our
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Special Order Items normally need a little extra time to be brought in from our suppliers � in some cases up to 7 business days. Special Orders are returnable subject to our
RETURN POLICY but with a restocking fee.
Request Items may take a few days to obtain from our suppliers and pricing may need to be updated. Marine Outfitters will contact you to provide an approximate delivery date and confirmation of price. Request items cannot be returned!
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CUSTOM: harken-57mm-carbo-block
57 mm Carbo Blocks
Carbo AirBlocks® are 60% stronger and 30% lighter than Harken's classic blocks.
The nylon resin sideplates are densely packed with long-glass fibers for a compact block with a high strength-to-weight ratio. Ball bearings, sheave and sideplates UV stabilized with black additive for maximum protection.
Blocks feature Cam-Lock or U-Lock locking systems to lock the shackle in front or side positions, or swivel to keep line from twisting.
The high-load 57 mm Carbo has a broad working range. Use for main and jib sheets on centerboard and keelboats like Lightnings, Dragons, Solings, J/24s and for mainsheet systems on catamarans.
Use for:
Main/jib sheets
Mainsheet fine-tune
Control lines
Vangs
Cunninghams
Outhauls
