Staun Tyre Deflators are by far the quickest and easiest way to reduce tyre pressure - say goodbye to the hassle of fiddling around with keys, matchsticks, or poor quality devices.

The deflators are supplied at a preset pressure, however you can adjust this pressure to your desired level. It is not necessary to reset them again unless you wish to change the psi that you want to reduce your tyre pressure to.

This deflator is designed to deflate to and from higher pressures. It is also accurate to within 0.25psi. Designed for use in the light to heavy trucking industry, it is also suitable for agricultural and farming equipment.

This model comes preset at 35psi and has an adjustment of 4psi per half turn and 8psi per full turn of the adjustment cap. It requires 8psi above its preset pressure to start automatically or can be manually started by lifting the pin at as little as 2 psi above its preset pressure.

They are fully adjustable Each valve has an adjustment range specific to the level of deflation you require They are easy to use, not requiring any tools They are highly accurate, deflating to within 0.05psi of the preset pressure they have been adjusted to They are the smallest tyre deflators available measuring only 30mm x 15mm (1.18" x 0.6") They are one of the lightest deflators weighing only 32 grams (1.13 ounces) They are made of 100% brass They are the fastest deflators on the market (tests found a normal 10rx15 tyre takes approx. 1 minute and 30 seconds to deflate from 32psi to 18psi) Every valve is completely pre-tested to ensure high performance They are covered with a 5 year guarantee They can be used for all types of four wheel driving ranging from coastal sand driving, desert sand driving, rock climbing to mud driving.