PISTOL GRIP: Inflator/deflator gauge is easy-to-use, reliable, and never needs batteries CAST METAL HANDLE: Steel inflation trigger + deflate button in case of overshot tire pressure DIAL GAUGE: Pre-calibrated; 4 units of measure: PSI (0-150), kPa (0-1000), kg/cm2(0-10) + Bar (0-10) EASY-CLIP CHUCK: Clip directly to tire valve to adjust pressure for easy inflation with 1 hand VALUE BUY: Includes gauge, rubber boot, deflate button, 13 hose, easy-clip chuck + hang loop