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Harken
Harken 57mm Mast Base / Fixed Block

Harken 57mm Mast Base / Fixed Block

Our Part #: HAR1988 | Mfr. Part #: 1988
$189.00 (was: $238.35)
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Sheave: 57 mm (2 1/4 in)
Length: 81 mm (3 3/16 in)
Width: 35 mm (1 3/8 in)
Height: 73 mm (2 7/8 in)
Weight: 175 g (6.2 oz)
Maximum Line: 10 mm (3/8 in)
Number of Fasteners: 3
Fasteners: 6 FH mm (1/4 FH in)
Maximum Working Load: 1136 kg (2500 lb)
Breaking Load: 2273 Kg (5000 lb)

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