To use, simply screw on to valve stems and drive off. Two separate adjustment ranges are available: 5 psi to 20 psi, and 15 psi to 40 psi. Choose from; RED, BLUE, and ALUMINUM.
(Specify range and color when purchasing.)
The Trailhead Automatic Tire Deflators Kit includes:
four screw-on, anodized aluminum deflators, a high-quality pressure gauge, a slide-scale pressure chart,
plastic coated (weather-proof) instructions, and adjustment tool all in a handy zippered pouch that easily fits in glove box.
The deflators come with a Lifetime Warranty