4-Pack PREMIUM Universal Tire Pressure Monitoring Valve Caps W/ Visual Indicator

4-Pack PREMIUM Universal Tire Pressure Monitoring Valve Caps With Visual Indicators AND Anti-Theft Deterrent NOTE: Valve stem colors may vary from picture based on manufacturer Inflate tire to correct pressure. Install the flat nut all the way down first. Install new pressure monitor valve cap tight. Tighten nut against the valve cap tight with the included wrench. Simply look at the color to know if your tire is low or normal. Green shows that tire pressure is normal. Yellow shows that the pressure is down about 5 pounds. Red alerts you that the pressure is down by at least 10 pounds. 100% Brand New and High Quality 9 Piece Packing Content: 4pcs Tire Pressure Indicators 4pcs Anti-theft Nuts 1 simple wrench