1、Tire Pressure Gauge: This pressure gauge can test wheel tire pressure with a measurement range of 10‑160PSI, helping you understand tire conditions, save fuel, extend tire life, and improve driving experience. 2、Dual Heads: This tire pressure gauge has 2 metal head push pull chucks, with a straight head specifically designed for inner wheels, single wheels, or difficult to reach valves, and outer wheel is 30° reverse chuck. 3、Scale Plate and Rod: Equipped with stainless steel plate with clear scales on both sides to ensure accurate measurement. 12‑3/8in long rod allows you to touch the inner wheel without getting hands dirty. 4、Applicable Vehicles: This kit includes 4 pieces tire pressure gauges, suitable for trucks, cars, SUVs, RVs, ATVs, bikes, motorcycles, and other vehicles, suitable for daily driving or long distance travel. 5、Simple Operation: Unscrew the valve cover, press the mechanical tire pressure gauge clamp onto the valve, the scale plate will slide out, and then read. After use, screw on the valve cover and push the scale plate backwards.