Mini Pen Shape 10-50psi Tire Pressure Meter Gauge with Hanging Hook to Measure The Inflation Pressure for Car Motorcycle. They are easy to carry and go with a key chain, plug and play. Can be used to measure the inflation pressure of car tires and motorcycle tires. Pen-shaped design, light weight, easy to carry. Non-slip grip with ergonomic design and good texture makes it easy to hold. The tire pressure gauges allows a wide range of measurement is 10-50psi. Length: Approx. 85mm / 3.35in; Rod Diameter: Approx. 10mm / 0.4in; The more conventional colors are black, blue, silver, and red. Other colors can be customized, as well as advertisemnets or logos.