Slime 2005-A Pencil Tire Gauge 20-120 PSI with Bonus Caps
Slime is a well known brand for flat tire prevention and repair.  You can improve your gas mileage by 3.3 percent by keeping your tires inflated to the proper pressure.  Use slime's pencil gauge to keep your tires properly inflated. Also comes with 4 bonus valve caps. Now your tires will last longer and perform better.