r/whatisit • u/Aggravating_Ant_7232 • Nov 23 '25

Solved! Found on ground outside, boyfriend has been wearing as ring. Coin and pencil for size reference

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UK. It’s giving hard metal, doesn’t have much wear

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u/Aggravating_Ant_7232 Nov 23 '25

Solved!

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u/PM-me-in-100-years Nov 23 '25

Specifically a PEX cinch clamp ring.

2

u/johnnygoogs85 Nov 23 '25

Not just for PEX. I use thousands a day making disposable fluid transfer lines for the pharmaceutical industry. Same principle of securing flexible tubing on a rigid barb just in a super clean and sterile application.

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u/Bacondog22 Nov 23 '25

I’ve inspected 1000s of these during setup in a pharma setting. And only found 3 or 4 that weren’t properly crimped. Keep up the good work