Review on 🔧 Stainless Steel Tire Deflator Kit by Rugged Ridge - Model 15104.50 by Adam Cooper

As others have pointed out these are not the type of deflators that stop at a set point, they simply screw onto the valve stem and push onto the valve to inflate to allow air to flee. I think they're great for the price. I did not purchase this brand from Durable Ridge, but I did get an identical product from my local 4x4 shop and have used them many times. When you're done, they just screw into each other as shown in the picture. I personally use two of these most of the time, and when I know the pressure is about what I want, I check it with a pressure gauge while they're still bolted to the stem as if they're not there. Having one person and 4 of them working at the same time can result in you inhaling more air than intended. Or, if you're really stupid, you'll end up with 4 flat tires. For a fraction of the price of more advanced delfators, they get the job done quickly and dirty.