Pocket-size gauge with metal pocket clip: the pressure gauge measures . 14 x 2 cm in size and with a pocket clip to be clipped on the pocket of clothes to facilitate the portability Easy to apply: press the head of the tire pressure gauge into gas nozzle to measure pressure; This is a simple and practical tool that not requiring battery and you do not worry about losing power Double-side pressure indicator bar: there are clear marks in the double sides of the indicator bar for your easy and fast reading, and the pressure measurement is calibrated from 5 - 50 PSI/ 0.5 - 3.5 KG Material:metal Color: silver Wide application: The tire pressure gauge functions as useful tools to measure the tire pressure to avoid puncture danger; They are widely applied to measure pressure for trucks, motorcycles, automobiles and any passenger vehicle. Facilitate the portability: The pocket-sized gauge will not take up space; And metal pocket clip is easy to be clipped on the pocket of clothes, which is convenient to carry when you go out for work. Warm notice: measure the tire pressure when the tire is under normal temperature. Package includes: 2 x Tire pressure pen Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.