Harken 57mm Runner Block

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