Good Durability: 14.17in Extra long rubber hose with a metal clip, just tighten the air tap and no need to screw. The metal direct lock pneumatic chuck allows quick locking on the tire valve, avoids better air leaks. Easy to use, it is 99.99% airtight. Wide Applicability: Unlimited measuring value is between 0~220 Psi and 0-16 Bar and twice as high as other gauge gun, which means our product can adapt to different kinds of cars like vans, cars and motorcycles, bicycles and etc. Precise reading: 2.95 inch large dial gives clear reading, 2 different reading units without conversion (PSI/BAR), 3 colors help you check your tire safety level (GN, YL , RD), and it can provide a reading accurate to 0.1 Bar. With a rubber protector, no need to worry about messes falling off. The reading disappears only by pressing the deflation button. 3-in-1 function: Besides the pressure measurement function, our product also provides the inflation and deflation function. With galvanization craft handle and 2.7cm alloy inflatable mouthpiece, you can inflate the tire safely by your air pump at home, deflating the air by pressing the button on the handle. Friendly Tips: Too high tire pressure may cause flat tire, too low pressure may cause tire rub. We therefore suggest that you test your tire twice a month with our professional gauge in order to protect your fortune and your health.