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57mm Aluminum Mastbase Block
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 fasteners3
Fasteners (mm)6 FH mm
Maximum working load (kg)1136 kg
Breaking load (kg)2273 kg
DO NOT use Harken equipment for human suspension unless product is specifically certified and labeled for such use.
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