I don't know what some reviewers did to destroy theirs or bought third party fakes. I have had them for several years along with the green B fittings which have been in my shop for over a decade. I have at least 40 outlets throughout the store and haven't had any issues so far. I liked the improved V volume so much that I ordered more to replace the B ports. It makes a world of difference for the air hammer, punch, parting tools and blasting chamber, but I find it easier to have a style that goes with the everything is connected. I do not abuse tools or spill hoses with tractors and cars. I have air tools that are over 20 years old and work just as well as new because I lubricate them and don't overuse them. My Snap-On PH3050 (5 year old) and PH050 (25 year old) are used the same way just with different attachments so I don't have to swap. Anyway, these fittings, like the ones I bought a few years ago, came in a cumbersome standard plastic shell with the usual Milton markings, and they all screw down well and don't leak. I use teflon tape. For a busy business I might need a little more hard work but I am in the restoration business and they serve my needs very well.
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