This puller for ribbed drive pulleys is made from heavy-duty carbon steel. Designed for use on crankshafts, alternators, air conditioning units and water pumps. The precision grooves grip the pulley without damage. With low profile arms for use in restricted space and locking bolts to prevent slipping under tension. 1 x Puller for Ribbed Drive Pulley, 35 - 165mm Range: 35–165mm,