Harken 40mm Triple Block: Swivel, Anchoring, and Clamp

Carbo Air low-friction blocks are lightweight, strong, reliable, and affordable. Complementing our popular Harken Big Boat blocks, these small, compact blocks withstand very high workloads for safe and easy trimming.
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Pulley Ø (mm) 40 millimeters
Pulley Ø (in.) 1 9/16 inches
Length (mm) 110 millimeters
Length (in.) 4 5/16 inches
Weight (g) 235 grams
Weight (oz) 8.3 ounces
Shackle Pin Ø (mm) 5 millimeters
Shackle Pin Ø (in.) 3/16 inches
Maximum Line Ø (mm) 6 millimeters
Maximum Line Ø (in.) 1/4 inch
Maximum Working Load (kg) 408 kilograms
Maximum Working Load (lb) 900 pounds
Breaking Load (kg) 816 kilograms
Breaking Load (lb) 1800 pounds