An inflator head made for Presta valves that automatically locks on to the valve head \n - Red button on back allows inflator head to release with zero pull to valve heads \n - Compatible with all current tubeless valves \n - Durable steel body protects head from drops \n - Fits floor pumps and Prestaflator Pro Tools only \n - Also compatible with Schwalbe high flow Clik valves (SCV)