Use the Rugged Ridge Snatch Block Pulley to double your winch capacity! This durable 8" long pulley is constructed from 3/16" cold rolled steel and is suitable for use up to 20,000lbs. For use with winch cables up to 3/8 in diameter. The pulley can" be used to double the capacity for your winch, or to reduce the strain on the winch motor and your electrical system. For recovery operations were a straight pull is not viable option, the pulley helps change the angle of your pull.