Very nice quality. After reading some reviews I hesitated to buy it. However, I bit the bullet and decided to get them anyway. I'm very glad I did this. There was a lot of threading on the straight chuck which is why I bought this set. I threw away the second one because I didn't need it. When connecting to the pressure gauge and tires, there were no leaks. I replaced the quick connector on my gauge with a straight threaded one and it fitted perfectly. I'll probably buy a few more to replace other cartridges. You can't go wrong with the price.
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