Campbell Hausfeld Air Chuck with Grip Tight Clipping System: * Unique clipping system * Generates an air-tight seal around the stem valve of your tire * Screws directly onto any air hose with a 0.25" Male NPT Air Inlet * Must use PTFE Thread Seal Tape to seal the connection * Allows you to connect the stem valve of your tire and inflate to the desired pressure * Does not fit Presta or Woods valves * Fits all standard automotive style stem valves