Dual foot tire gauge Dual foot tire gauge With heavy duty, metal bar, metal construction, chrome finish and 2 sides aluminum bar Testing tire pressure when tire are cold, pressure will increase if heat, tire will lose one pound per month under normal condition, Proper tire pressure could improves gas mileage(around 10%), handling and braking & durability. Scale: Bar, kg/cm², Kpa, PSI. Be replacement of Longacre tire gauge, Moroso tire gauge, acc gage tire gauge. OEM / CUSTOM designing available