Clarke 30D Airline Tyre Inflator With Pressure Gauge Ideal for a wide range of vehicles including cars and motorcycles the 30D airline tyre inflator from Clarke is a must have for any garage. Complete with a pressure gauge measuring in four different scales and featuring a 350mm rubber hose and 1/4" BSP fitting. Four pressure scales: 0-220psi 0-15kg/cm2 0-15bar & 0-1500kPa. 1/4" BSP fitting to connect to an air supply. 350mm rubber hose.