HARKEN 2631 57mm Carbo Quad Block

HARKEN 2631 57mm Carbo Quad Block

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57 mm Quad Block Swivel

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.

Sheave  (mm)57mm
Length (mm)121 mm
Weight (g)340 g
Shackle pin  (mm)6 mm
Maximum line  (mm)10mm
Maximum working load (kg)1080kg
Breaking load (kg)2270kg

DO NOT use Harken equipment for human suspension unless product is specifically certified and labeled for such use.