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57 mm Aluminum Mastbase Block

Part No. 1988
Sheave Ø (mm)57 mm
Maximum line Ø (mm)10 mm
Maximum working load (kg)1136 kg

Low-profile mastbase halyard lead blocks are lightweight and can be grouped in a small area at the mastbase.

Sheave Ø (mm)57 mm
Length (mm)81 mm
Width (mm)35 mm
Height (mm)73 mm
Weight (g)175 g
Maximum line Ø (mm)10 mm
Number of fasteners
Fasteners (mm)6 FH mm
Maximum working load (kg)1136 kg
Breaking load (kg)2273 kg
Drawing - DWG:  1988.dwg (open/save)
Drawing - DXF:  1988.dxf (open/save)
3D drawing - IGS:  1988.igs (open/save)
Photo - EPS:  1988.eps (open/save)
Photo - JPG:  1988.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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