SMOOTH RACE CUTFor maximum freedom of movement

with additional waterproof cover

Standard and Palm grip models

Hand made construction

water sensitive switching

Harken 40mm Carbo Block 2650 HARKEN BLOCKS SMOOTH RACE CUTFor maximum freedomLow friction Carbo Air blocks are lightweight, strong, reliableand affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high working loads for safe, easy trimming. Sheave (mm) 40 mm Sheave (in) 1 9 16 in Length (mm) 64 mm Length (in) 2 1 2 in Weight (g) 40 g Weight (oz) 1. 4 oz Maximum line (mm) 10 mm Maximum line (in) 3 8 in Maximum working load (kg) 220 kg Maximum working load (lb) 485 lb Breaking load