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.
Product Specifications
Sheave Ø (mm) 40 mm
Sheave Ø (in) 1 9/16 in
Length (mm) 94 mm
Length (in) 3 11/16 in
Weight (g) 118 g
Weight (oz) 4.6 oz
Shackle pin Ø (mm) 5 mm
Shackle pin Ø (in) 3/16 in
Maximum line Ø (mm) 10 mm
Maximum line Ø (in) 3/8 in
Maximum working load (kg) 660 kg
Maximum working load (lb) 1455 lb
Breaking load (kg) 1383 kg
Breaking load (lb) 3050 lb








