Staun Automatic Light Duty Tire Deflators 0 to 10 PSI

"Staun tire deflators provide an easy way to automatically deflate your tires to a precise pressure for any off highway driving. Staun tire deflators simply screw onto any tire valve and automatically deflate to a preset pressure. The Staun automatic tire deflator is a spring loaded check valve with the ability to vary the spring pressure on the check valve via the Adjustment Cap. More spring pressure means a higher destination, shut OFF pressure. Less spring pressure means a lower destination pressure. The Adjustment Cap is held in place by the Lock Collar. Never use pinching tool like pliers or vice grips for they may distort the main body and cause the deflator to malfunction. This voids the warranty. All Staun automatic tire deflators come it sets of 4 deflators, a leather carrying case and setting and use instructions. Staun tire deflators will let you down! DESTINATION PRESSURE: This is the pressure you choose to air down to. "