The Chrome Deluxe Air Valve Knob Only is a practical and functional product that enhances the performance of your air valve system. Made from chrome aluminum, this deluxe screw-on knob is designed to provide a secure and comfortable grip. With dimensions of 2 1/4" in diameter and 2" in height, it is the perfect size for easy handling. This knob is a valuable addition to your air valve system, offering convenience and reliability.