Tire Pressure Air Gauge By Car Buddy Pro for Car, Truck, Motorcycle, and Bike. Large Face Dial Accurately Measures up to 100 Psi. Swivel Angle Chuck, Air Release Button and Protective Rubber Guard. KEEP YOUR FAMILY SAFE. Incorrect tire pressure will compromise cornering, braking and stability. And in the worst-case scenario, improper tire pressure can lead to tire failure  and a serious accident. Incorrect tire pressure also will affect your comfort, fuel economy and tire life. SUPER HEAVY DUTY brass and steel chuck alongside a rugged gear-styled rubber casing to protect against accidental drops. LARGE ANALOG DIAL allow you to clearly view your reading from any angle. NO BATTERIES NEEDED!! BOOST YOUR FUEL ECONOMY. For every 1 psi drop in pressure, you can expect your gas mileage to lower by 0.4%. So, keep those tires at the optimal pressure with the Tire Pressure Gauge by Car Buddy Pro. BUILT TO LAST for many years to come and backed by our LIFETIME WARRANTY.