Conical design for strength and secure fit. 3/4-16 X 4-3/4" forcing screw for power. Designed to fit Pitman arms on domestic cars and light trucks. Large forcing screw for more power. Designed to pull stubborn Pitman arms Conical Puller Pitman arm puller designed to fit Pitman arms on domestic cars and light trucks. 3/4-16 X 4-3/4 forcing screw provides enough power to remove stubborn Pitman arms.