Use the Black Bull 20 Ton A-Frame Shop Press for installing and removing gears, U-joints, bushings, ball joints, pulleys arbor and press-out jobs. Used by automotive shops and hobbyists to repair and replace bearings, install and remove pressure-fitted parts, and bend or straighten metal. The Black Bull 20 Ton A-Frame Shop Press features all welded steel construction with a powder coated paint finish. The 20 ton hydraulic jack has an operating distance of 3-Inch to 16.5-Inch.