Product Description
Harken 57mm Runner Block
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.
Black Magic® Air Runners® are strong, lightweight blocks with extremely free-rolling sheaves. Blocks feature Torlon® roller bearings in a center cage for strength.
Heads are offered with parallel/perpendicular shackles. Tangs attach turnbuckles, toggles, and other fittings. No tools required for installation.
Sheave Ø (mm) - 57
Sheave Ø (in) - 2 1/4
Length (mm) - 86
Length (in) - 3 3/8
Weight (g) - 125
Weight (oz) - 4.42
Clevis pin Ø (mm) - 10
Clevis pin Ø (in) - 3/8
Maximum line Ø (mm) - 12
Maximum line Ø (in) - 1/2
Maximum working load (kg) - 1134
Maximum working load (lb) - 2500
Breaking load (kg) - 2268
Breaking load (lb) - 5000
