Accu-Gage H100X Professional Tire Pressure Gauge with Protective Rubber Guard (100 PSI) 100 PSI with flexible hose, bleeder and protective rubber guard installed Fully geared, precision movement with bronze Bourdon tube Accuracy conforms to ANSI B40.1 Grade B and California regulation Needle holds pressure reading until released; push-button valve bleeds air to desire pressure Lifetime Warranty (USA and Canada)