Low-friction Carbo Air blocks are lightweight, strong, reliableand affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming.

Sheave (mm)29mm Sheave (in)1 1/8in Length (mm)85mm Length (in)3 3/8in Weight (g)77g Weight (oz)2.7oz Shackle pin (mm)5mm Shackle pin (in)3/16in Maximum line (mm)8mm Maximum line (in)5/16in Maximum working load (kg)449kg Maximum working load (lb)990lb Breaking load (kg)907kg Breaking load (lb)2000lb