Large Bore Dial Pressure Gauge Product Type Tire Pressure Gauge Gauge Type Analog Material Brass Overall Length 18 1/4 in Tread Depth Calibration Increments Not Applicable Tire Pressure Calibration Increments 2 psi Minimum Operating Air Pressure 10 psi Maximum Operating Air Pressure 160 psi Includes Built-In Deflator Button Rubber Boot Around Gauge Color Brass Features Built in Deflator Valve