The AFF 22-Ton Air Assist Truck Axle Jacks, Nos. 565F and 565F1, are ideal for heavy duty truck and trailer shops, rail and bus work, farm vehicles, industrial equipment, and more. Their engineered high-speed air motor delivers fast and efficient operation while the compact and low-profile design easily fits between tandem wheels. The jacks feature a fully welded hydraulic pump and cylinder, heavy-duty wiper seals, large 8" diameter rubber wheels, and a built-in overload and bypass safety valve. The handle also locks in three different positions from 90 to 180 degrees. The 565F comes with a two-piece handle, whereas the 565F1 comes with a one-piece handle.