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.
Part No. 2639
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) 440 kg
Maximum working load (lb) 970 lb