Harken 57mm Fixed Mast Base Block

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Product Description Harken 57mm Fixed Mast Base Block Low-profile mastbase halyard lead blocks are lightweight and can be grouped in a small area at the mastbase. Specifications: H eight (in) 2 7/8 in Length (in) 3 3/16 in Sheave Ø (mm) 57 mm Sheave Ø (in) 2 1/4 in Length (mm) 81 mm Width (mm) 35 mm Width (in) 1 3/8 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 (kg) 2273 kg Breaking load (lb) 5000 lb Height (mm) 73 mm Number of fasteners 3 Show more