ITEM NAME:Bike Motor Tyre Air Pressure Gauge Metes Vehicle Tester Monitoring System #gib Store Home Promotion Hot Item Add to Fav.To use, ensure that the guage is set to zero and push the nozzle onto the tyre valve so that a good seal is made between the valve and nozzle-failure to do so can result in an inaccurate reading. 1 x Auto Truck Racing Car Tire Air Pressure Gauge.