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57 mm Quad Block — Swivel 57 mm Quad Block — Swivel 57 mm Quad Block — Swivel
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57 mm Quad Block — Swivel

Part No. 2631
Sheave Ø (mm)57 mm
Maximum line Ø (mm)10 mm
Maximum working load (kg)1080 kg

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 (mm)57 mm
Length (mm)121 mm
Weight (g)340 g
Shackle pin Ø (mm)6 mm
Maximum line Ø (mm)10 mm
Maximum working load (kg)1080 kg
Breaking load (kg)2270 kg
Manual: Carbo U-Lock Manual: 4875.pdf (open/save)
DWG: 2631.dwg (open/save)
DXF: 2631.dxf (open/save)
IGS: 2631.igs (open/save)
EPS: 2631.eps (open/save)
High-res JPG: 2631.jpg (open/save)

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

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