I do weight training and spend many, many hours in my shop. I hooked up these 1/4 air fittings to the Flexzilla air line - great setup. To be honest I wanted the air fittings to look "cooler" than regular brass. After reading previous reviews I was concerned that they were 'softer' aluminum and thought they might not stand up to use in my shop. I've had nothing but positive experiences with these nozzles. There are two questions to ask: 1. Are they leaking? 2. Do they withstand abuse? I have used several of these devices. tightened and mounted with Teflon tape. and the 60-gallon air compressor didn't have a single leak in the fitting. Perhaps others have received fittings that are leaking. OR maybe they didn't install it properly. Who knows. As for abuse, I would say that I hold air tools, air tools, blowers, pneumatic power lifts in my hands very often during the day. etc. The fittings have stood up to me perfectly. However, I didn't intentionally break the fitting, drive over it, hit it with a hammer, etc. So I'm not sure if other people take photos like this with this fitting and have such complaints. On the other hand, they are not indestructible. They scratch and form defects depending on how much they are "abused". In general I am very happy with it. Purple fittings on a light green channel :D
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