• Round Style: 36PSI Visually alerts you when the tire pressure is low to help avoid premature tire wear or blowouts from under-inflated tires.
• Package : 4 x Tire Pressure Indicator Valve Stem Caps.
• For use on 36 pound per square inch recommended pressure Simply install on the air valve
• 100% brand new and high quality.
• Note: 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

    Application: Cars, Trucks, Bicycles, Motorcycles, Hot Rods, Antique Cars, Classic Cars, Street Racers, etc. Visually alerts you when the tire pressure is low, to help avoid premature tire wear or blowouts from under-inflated tires. Green shows that the tire pressure is normal, Yellow shows that the tire pressure is down about 10 %, Red alerts you that the pressure is down by at least 25%.