4 Pieces Automatic Tire Deflators Kit Brass Car Tire Deflators Kit 6-30 Psi. It can automatically and quickly deflate four tires at the same time. Suitable for various vehicles such as cars, jeeps, trucks, motorcycles, and off-road vehicles.
How to Use?
1: Deflate tire to your preferred deflation pressure with a professional pressure gauge.
2: With the lock ring and adjustable cap wound down, screw your deflator onto the valve stem all the way in tightly, otherwise, deflation will be slow or stop at unexpected pressure PSI (Be sure to make sure the threads are clean and in good condition).
3: Loosen the cap (counter-clockwise) until the deflator pops open, then immediately tighten the cap to the position where the air stops gushing from the tire.
4: Turn the lock ring up to adjust the cap and tighten.
5: Installation is now complete and sets to your preferred deflation pressure.