What is this thing?

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Small aluminum container (imgur.com)

submitted 1 year ago by [email protected] to c/[email protected]

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I found this small aluminum item in a tool box. It's 1.5" diameter. The two pieces screw together. I thought it was a little stash container, but the larger piece has a nub inside which would fill the void on the smaller piece when screwed together. Is this some tool? Or maybe a little machinist project.

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[–] [email protected] 4 points 1 year ago (1 children)

My wild guess would be two end stops for pipes. One external and internally treaded for the same diameter.

[–] harpo 5 points 1 year ago

That's what they are! I have a box full of leftover parts from years of home repairs, and I frequently store caps of opposite genders screwed together like this.