Harken Block 57mm Double Carbo

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.

Product Specs:

Sheave Ø (mm)57 mm Sheave Ø (in)2 1/4 in Length (mm)121 mm Length (in)4 3/4 in Weight (g)178 g Weight (oz)6.3 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)720 kg Maximum working load (lb)1584 lb Breaking load (kg)1500 kg Breaking load (lb)3300 lb