Harken 57mm Aluminum Stand-Up Block

Harken 57mm Aluminum Stand-Up Block

The entire line of Black Magic® AirBlocks® has been redesigned with a sleek new look. Their unique, performance-packed engineering remains exactly the same. These strong, lightweight blocks feature free-rolling high-load Torlon® roller bearings for a high strength-to weight ratio.

Specifications:

Sheave Ø - 57 mm

Length - 4 1/2" (114mm)

Weight - 7.04 oz (200 g)

Maximum line Ø - 7/16" (12mm)

Maximum working load - 2500 lb (1134 kg)

Breaking load - 5000 lb (2268 kg)

Fasteners - 1/4" (6mm)

Fastener circle - 1 15/32" (37mm)

A - 2 7/32" (57mm)

B - 2 3/16" (56mm)

C - 1 1/4" - (32mm)

Includes: Padeye