Harken 57mm Becket Swivel Triple Block w/Cam Cleat

Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable.

Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming.

Specifications

Footnote: Maximum working loads and breaking loads for blocks based on cam strengths.  Sheave Ø (mm): 57 mm Sheave Ø (in): 2 1/4 in Length (mm): 142 mm Length (in): 5 5/8 in Weight (g): 442 g Weight (oz): 15.6 oz Shackle pin Ø (mm): 6 mm Shackle pin Ø (in): 1/4 in Maximum line Ø (mm): 10 mm Maximum line Ø (in): 3/8 in Maximum working load (kg): 816 kg Maximum working load (lb): 1800 lb Breaking load (kg): 2040 kg Breaking load (lb): 4500 lb