Harken 57mm Carbo Ratchet Block
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Free returns accepted within 30 Days*
Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. Nylon resin side plates are densely packed with long-glass fibers for a compact block with a high strength-to-weight ratio.
Machined aluminum sheaves are Hardkote anodized for strength and corrosion resistance.
Eight facets hold line securely.
Ball bearings, sheave and side plates are UV-stabilized with carbon black for maximum protection.
The 57mm switchable ratchets provide precise on/off control with accessible, easy-to-operate on/off switches on both sides of the block.
Main /jib / spinnaker sheets,
Sheave dia: 57 mm
Length: 103 mm
Weight*: 85 g
Shackle pin dia.: 5 mm
Max line: 10 mm
Max working load: 227 kg
Breaking load: 907 kg
* Weight with shackle
**Includes RH fasteners and mounting pad.
***Maximum working loads and breaking loads for blocks based on cam strengths.
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