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Harken 57mm Double Block - Swivel
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Harken 57mm Double 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 Ø 57mm

Length 121mm

Weight 178g

Shackle pin Ø 6mm

Maximum line Ø 10mm

Maximum working load 720kg

Breaking load 1500kg

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