Elitexion Tire Air Pressure Gauge Meter Tester 10-100PSI for Car Truck Vehicle Motorcycle Tire Gauge Pressure Gauge Meter 10-100 PSI ( in I LB. Units). Helps increase fuel efficiency and improves vehicle handling. The dial is surrounded by a protective rubber guard in case the unit is dropped. Steel & brass construction with a rugged gear-style rubber protector. Containes Bleed Valve to reset reading.