Easy to read & use, this standard pencil style tire pressure gauge is ideal for applications that require an accurate extra low reading (1-20 PSI) with 0.5 PSI gradation. This pressure gauge has a heavy-duty chrome plated finish & a nylon indicator bar with dual calibration. This tire gauge has a brass nozzle allowing a perfect fit to the tire valve for a precise & exact pressure reading. Also, it is compatible with nitrogen.