Part No 2617

Sheave Ø (mm) 57 mm

Sheave Ø (in) 2 1/4 in

Maximum line Ø (mm) 10 mm

Maximum line Ø (in) 3/8 in

Maximum working load (kg) 680 kg

Maximum working load (lb) 1500 lb

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