Part No 2637

Sheave Ø (mm) 40 mm

Sheave Ø (in) 1 9/16 in

Maximum line Ø (mm) 10 mm

Maximum line Ø (in) 3/8 in

Maximum working load (kg) 220 kg

Maximum working load (lb) 485 lb

Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high working loads for safe, easy trimming.