Heavy-duty carbon steel. Removes ribbed crankshaft, alternator and auxiliary pulleys. Machined precision grooves grip the pulley without causing damage. Low-profile arms for use in restricted spaces and locking bolts to prevent slipping under tension. Heavy-duty carbon steel. Removes ribbed crankshaft, alternator and auxiliary pulleys. Machined precision grooves grip the pulley without causing damage. Low-profile arms for use in restricted spaces and locking bolts to prevent slipping under tension.