Pitman Arm Puller - Medium Duty Maximum glove opening of 3.5 inches and 3 inches high. . Eliminate dangerous hammering or cutting torch methods.. Can be used with up to a ½ inch air impact wrench, hand ratchet or breaker bar. . Designed to be used on most class 3-5 trucks and equipment (commonly used vehicle types: Chevy 3500/5500, Dodge Ram 3500/5500, Ford F-350 / 550, Isuzu, and NPR). . Guaranteed to easily remove even the most stubborn pitman arms on steering boxes for medium duty trucks, school buses, and other vehicles with a nut release pitman arm. . Made of high-quality heavy-duty steel capable of withstanding rigorous and daily use in shop environments. 40321