3PCS 1/4" Lock On Air Chuck, Mini Tire Inflator Hose End with Barb Connector & Clamp, No Leak Locking Air NozzleTire Inflator Chuck for Portable Air Compressor, Car Tire Pump (Barb Type) Size: Barb Type 【Quick Inflation】: The 1/4" right-angle tire chuck utilizes a thumb-operated locking lever and internal seal to securely attach to standard Schrader valves.