Air operated ram applies pressure to the caliper piston, while the handle is rotated by hand Magnetic head Easy to use – works on standard workshop air supply Reversible – works on both RH and LH applications Can be used on Wind Back and Push Back pistons Supplied with nine adaptors which cover a wide range of popular vehicles (applications list included) Also supplied with 3/8” converter to use with adaptors from manual kit (03619200 - see related product)