Product Description
Harken 57mm Aluminum Block - Swivel, Becket
Description - 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.
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) - 57
Sheave Ø (in) - 2 1/4
Length (mm) - 140
Length (in) - 5 1/2
Weight (g) - 166
Weight (oz) - 5.86
Shackle pin Ø (mm) - 6
Shackle pin Ø (in) - 1/4
Maximum line Ø (mm) - 12
Maximum line Ø (in) - 7/16
Maximum working load (kg) - 1134
Maximum working load (lb) - 2500
Breaking load (kg) - 2268
Breaking load (lb) - 5000
