Description Low-friction Carbo 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) 78 mm Length (in) 3 1/16 in Weight (g) 28 g Weight (oz) 1 oz Maximum line Ø (mm) 8 mm Maximum line Ø (in) 5/16 in Maximum working load (kg) 150 kg Maximum working load (lb) 330 lb Breaking load (lb) 1000 lb Breaking load (kg) 454 kg Shackle pin Ø (mm) 4 mm Shackle pin Ø (in) 5/32 in
