Description 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) 29 mm Sheave Ø (in) 1 1/8 in Length (mm) 73 mm Length (in) 2 7/8 in Weight (g) 51 g Weight (oz) 1.8 oz Maximum line Ø (mm) 8 mm Maximum line Ø (in) 5/16 in Maximum working load (kg) 299 kg Maximum working load (lb) 660 lb Breaking load (lb) 1625 lb Breaking load (kg) 737 kg Shackle pin Ø (mm) 5 mm Shackle pin Ø (in) 3/16 in
