I like this cartridge! It actually sticks to the valve stem! I even turned the hose upside down to try and pinch it off. It stays there until you intentionally loosen it. I replaced the cheap chuck that came with my tire inflation tool with this one. The chuck I previously had on the tool lasted maybe the first two times I used it. After that, every time I wanted to inflate the tire, I had to go behind the tire and hold the cartridge. Old bones, old back, old knees complain about it every time!