Use the Rugged Ridge Snatch Block Pulley to double your winch capacity! This durable 9 long pulley is constructed from" 1/4 cold rolled steel and is suitable for use" up to 30,000lbs. For use with winch cables up to 1/2 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 where a straight pull is not viable option, the pulley helps change the angle of your pull.