Easy To Install: Simply screw the 4x4 spin-on tire inflator tool onto your tire valve for a quick and easy deflation process; no special skills required Adjustable Tire Air Down Tool: The auto-stop feature allows you to set your desired tire pressure between 10-30 PSI, ensuring precise deflation every time without over-deflating Effortless Operation: These air down tire deflators let you easily adjust tire pressure to handle various terrains and conditions, providing a smoother and more controlled driving experience Durable and Reliable: Made of metal materials, these 4-piece tire deflators are built to last and withstand tough outdoor use, ensuring long-lasting performance and reliability Convenient Tool Set: This set of tire deflators is a must-have for any off-road enthusiast or 4x4 driver, offering a practical and convenient solution for quickly adjusting tire pressure to improve traction and performance Specification: Name: Automatic Tire Deflator Material: Metal Color: Black Compatible with Car, Motorcycle, Truck, Bike, SUV, RV, or ATV Package Includes: 4 x Air Down Tire Deflators