This QuickCar Tyre Pressure Gauge is their Dry Model. Gauge face is a 2-1/2" Diameter. Range is 0-40 PSI and reads in 1 LB increments. Features a 14" Hose with 45 Degree Swivel Chuck, Relief Valve and hose strain reliefs. Gauge comes with a shock resistant boot to ensure long life and to protect unit under severe use. QuickCar Tyre pressure gauges are regarded as the most reliable and accurate tyre pressure gauges in the industry.