Trailhead Automatic Tire Deflator Kit includes: four deflators, tire gauge (0-20psi for the 8-20psi kit, 0-50psi for the 20-40psi kit), leather storage pouch, adjustment tool, deflation guide, laminated instruction card and decal. Trailhead Automatic Tire Deflators screw on to your valve stem and will simultaneously "air down" all four of your tires to your pre selected pressure and shut off automatically. They perform this function whether your vehicle is stationary or traveling at speeds up to 20 MPH. They are small (2" long) and lightweight (0.5 oz each), and available in three colors: Red or Blue anodized aluminum, or polished aluminum.

Trailhead Tire Deflator Features:

     Fast Ready to roll in 30 seconds
    Lightweight - They weigh less than 1/2 oz. ea.
    Small - Approximately 2 inches in length.
    Adjustable: Three separate adjustment ranges are available,
        2 psi - 8 psi, 8 psi - 20 psi and 20 psi - 40 psi
    No bulky hoses to take up space or time to set up and put away.
    No clip on tire chucks that can develop leaks as they age.
    AND they will not leave you flat.