Slime, 20-120 PSI, Classic Pencil Tire Gauge, With Metal Storage Clip, 4 Sided Pressure Tongue, 2 Side PSI, 1 Side Bar, 1 Side KPA, 4 Standard Black Plastic Valve Caps Included, Can Improve Your Gas Mileage By 3.3 Percent By Keeping Your Tires Inflated To The Proper Pressure.