Harken 57mm Aluminum Block - Swivel

Product Description Harken 57mm Aluminum Block - SwivelThe 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.Like all AirBlocks®, the three-way head swivels/locks in front/side positions. Blocks are easily disassembled with a single hex wrench.Sheave Ø (mm) - 57Sheave Ø (in) - 2 1/4Length (mm) - 119Length (in) - 4 11/16Weight (g) - 152Weight (oz) - 5.36Shackle pin Ø (mm) - 6Shackle pin Ø (in) - 1/4Maximum line Ø (mm) - 12Maximum line Ø (in) - 7/16Maximum working load (kg) - 1134Maximum working load (lb) - 2500Breaking load (kg) - 2268Breaking load (lb) - 5000