Harken 57mm Carbo AirBlock

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. Sheave Ø (mm) 57 mm Sheave Ø (in) 2 1/4 in Length (mm) 110 mm Length (in) 4 5/16 in Weight (g) 87 g Weight (oz) 3.1 oz Maximum line Ø (mm) 10 mm Maximum line Ø (in) 3/8 in Maximum working