geeWOW Tire Pressure Gauge - 0 to 170 PSI HEAVY DUTY SOLID COMPONENTS shielded by a rugged rubber protective guard cover, providing the tire pressure gauge with extra protection from accidents and drops TIRE GAUGE IS PERFORMANCE TESTED AND CALIBRATED TO HIGHEST AMERICAN STANDARDS. Get fast and precise tire pressure readings without relying on batteries or digital components 170 PSI GAUGE IS EQUIPPED WITH A BUILT-IN AIR BLEEDER VALVE to reduce pressure in overinflated tires  360-degree easy access tire valve swivel chuck allows for readings from any angle 2" LARGE DIAL FEATURES EASY-TO-READ 170 PSI SINGLE INCREMENTAL SCALE FOR ULTRA-ACCURATE READINGS  LOCK IN PLACE feature locks readings until the pressure reset button on the neck of the gauge is pushed FOR COUPONS SEE "Special Offers and Product Promotions" BELOW