Harken 57mm Ratchet Block: Swivel, Locking

Carbo ratchets allow boaters to hold loaded lines with their hands and offer a balance between holding power and controlled ease.

Sheave Diameter (mm) 57 millimeters
Sheave Diameter (in.) 2 1/4 inches
Length (mm) 125 millimeters
Length (in.) 4 15/16 inches
Weight (g) 94 grams
Weight (oz) 3.3 ounces
Maximum Line Diameter (mm) 10 millimeters
Maximum Line Diameter (in.) 3/8 in.
Maximum Working Load (kg) 227 kilograms
Maximum Working Load (lb) 500 pounds
Breaking Load (lb) 2,000 pounds
Breaking Load (kg) 907 kilograms
Shackle Pin Diameter (mm) 5 millimeters
Shackle Pin Diameter (in.) 3/16 in.
Holding power 10:1