For lifting, pushing, pulling, bending, straightening and spreading. Heavy-duty hydraulic equipment for auto body, frame repair and construction jobs. Automatic pump overload system helps prevent damage to ram and equipment. Durable, heavy-walled extension tubes. Flex head features molded rubber pad. Lifts as much as 4 ons up to 13 in. 4 - 5/8 in. minimum lift. 4 in. ram stroke