Unused 24-IN semi automatic tire changer, outside clamp: 10"x 22", inside clamp: 12"x 24", wheel width: 12.5", max wheel diameter: 43.3", working pressure: 0.8 bar x 1 bar, bead breaking cylinder force: 5512 lbs, voltage: 110 V, power: 1.1 KW 60 hz