1.Lightweight, practical, convenient to install and easy to use, simply screw and inflate automotive pump, compressor. This will enable you to use a car foot pump or compressor to inflate your tyres and pumps.

2.High Quality: Made of premium brass, strong and durable, easy to clean and works well.

3.Easy to use: Direct replacement,easy to install, only use the wrench to put the caps onto the tire valve stem