Features:The gauge shown features a swivel angle chuck、 0-100 psi、 and is the perfect gauge for most cars、 trucks motorcycles and bikes.The hose is covered with a soft braid so it will not scratch expensive rims、 wheels etc.The dial is surrounded by a protective rubber guard in case the unit is dropped.The push button valve bleeds air to desired tire pressureAccurate measurementMarked with LBS and KBSMost cars are between 28-35LBS¡ê¡§28-35LBS/SQ.IN¡ê?Dimension:5.6 x 26cm(Dia x L)Notes:1kgf/cm2=98kpaMeasurement should be once a monthUsage:screw off the knot of tyre valvefix the copper head of the gauge to the valvethen the device will show the pressureadd gas when pressure is slow or vice versa.after the measurement、 screw off the copper head and press the air bleeder to make the indicator to 0. crew up the valve of the tyre.Package Contents:1 x Tire pressure meter