Harken 102mm Aluminum Mastbase Block

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Product Description Harken 102mm Aluminum Mastbase Block Low-profile mastbase halyard lead blocks are lightweight and can be grouped in a small area at the mastbase.Specifications: Height (in) 5 1/8 in Length (in) 5 1/8 in Sheave Ø (mm) 102 mm Sheave Ø (in) 4 in Length (mm) 130 mm Width (mm) 41 mm Width (in) 1 5/8 in Weight (g) 708 g Weight (oz) 24.9 oz Maximum line Ø (mm) 18 mm Maximum line Ø (in) 11/16 in Fasteners (mm) 16 HH mm Fasteners (in) 5/8 HH in Maximum working load (kg) 4990 kg Maximum working load (lb) 11000 lb Breaking load (kg) 9980 kg Breaking load (lb) 22000 lb Height (mm) 130 mm Number of fasteners 2 Show more