Get Behind The Shield With The Armor ALL™ 6-in-1 Tire Pressure Gauge. This tire gauge is made for those on the go. Keep it in your car, as it comes with a ruler, stylus and 2 screw drivers for the unexpected. It also includes a 4-sided nylon scale with PSI and kPA measurements. Complete with a pocket clip as well as a keychain. The lightweight, metallic finish, soft touchscreen stylus is perfect for smartphones, tablets, etc.