The STEELMAN 56238 Heavy Duty Valve Valve Stem Remover / Installer Tool is designed to work where smaller screw on bar and cable / cord style valve tools will not. All metal construction is designed to last despite long and frequent use and is able to both install and remove valve stems on cars, trucks, big rigs, lawn tractors and mowers, farm equipment and many more. The end of the handle features a push out tip for use on old valve stems too rotted for or that tear apart during standard removal. Covered by a 1-year limited warranty.