The STEELMAN 00040N Valve Stem Puller/Installer provides a quick and easy way to install and remove valve stems. It features a sleek steel body that has a nylon coating to protect wheels and rims from possible damage. The tool's head pivots to provide leverage against the rim of the wheel and then straightened for easy rotation when attaching to or removing from a valve stem and with this tool there is no need to first remove the valve core. Works on all tubeless style tires, from cars and trucks, to motorcycles and ATVs. At 11-inches long, this tool provides all the leverage necessary to remove stubborn valve stems. Whether you're a professional or home tire changer, you'll come to rely on this time saving tool!