Product Review

WARNING: When removing a cap. make sure that you do not lose the black washer. They are inclined to fall out and are very difficult to find again. It is advisable to remove them before your car is serviced at a garage.
Tire pressure caps material: Chromed Metal+PC
Round Style: 36PSI
Visually alerts you when the tire pressure is low to help avoid premature tire wear or blowouts from under-inflated tires.
Enhances road handling, increases economy, extends tire life
Green/yellow/red system indicates level of proper tire inflation
Increases fuel efficiency, safety and control
For use on 32 pound per square inch recommended pressure
Simply install on the air valve

Indication:
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
Installation:
Determine the correct tire pressure for your tires
Inflate tire to correct pressure
Install this new pressure cap tight
Simply look at the color to know if your tire is low or normal

Package: 8 x Tire Pressure Indicator Valve Stem Caps