1/4" FNPT, Single Head, Air Chuck With Grip On Lock Clip, Provides Easy & Hands Free Inflation For Standard Valves, Perfect For Long Inflation For Standard Projects, Fits Standard Valves & 1/4" Hose Fitting, Durable Cast Zinc Body, Inflates Items To A Maximum Pressure Of 150 PSI, Includes Single Head Air Chuck With Grip On Lock Clip.