Product

HARKEN MAST BASE BLOCK 57MM

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

Sheave Ø (mm)
57 mm

Sheave Ø (in)
2 1/4 in

Length (mm)
81 mm

Length (in)
3 3/16 in

Width (mm)
35 mm

Width (in)
1 3/8 in

Height (mm)
73 mm

Height (in)
2 7/8 in

Weight (g)
175 g

Weight (oz)
6.2 oz

Maximum line Ø (mm)
10 mm

Maximum line Ø (in)
3/8 in

Fasteners (mm)
6 FH mm

Fasteners (in)
1/4 FH in

Maximum working load (kg)
1136 kg

Maximum working load (lb)
2500 lb

Breaking load (lb)
5000 lb