Convenient keychain design makes the gauge easy to use for frequent tire checks.Optimize Fuel Economy & Safety: Maintaining proper tire pressure improves MPG, extends tread wear, and enhances vehicle handling.Precise 10-50 PSI range meets pressure needs for cars, trucks, bikes, and more.Compact 3.3 inch fits easily in a pocket or purse.Getting a reading in seconds makes this a must-have portable device for car and bike owners. Any questions about our products, please contact me. QTY for 20k pcs and over by sea.
