with additional waterproof cover

A boating essential

shop primed steel and thermally sprayed zinc substrates

Rocna Dimensions

SMOOTH RACE CUTFor maximum freedom of movement

Harken 40mm Carbo Block 2650 HARKEN BLOCKS with additional waterproof coverLow 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