Harken 57mm Swivel Carbon Air Block Pully

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. SPECIFICATIONS 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 Shackle pin Ø (mm) 5 mm Shackle pin Ø (in) 3/16 in Max