3-1/8 (80mm) pressure gauge (0-12 Bar/174Psi). Diameter of the dial: 3-1/8 (80mm). Product Features:Aluminum die-casting covered with rubber sleeve for extra comfort and durabilityClear and easy to read3 in 1 function: inflate, deflate and measure tire pressureTwo position inflate/deflate levelUnit includes a 21 hose
