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RE: Calling All Tool Nerds! WTF Is This? - #13
As for another use not sure its a spring and ball bearing type of valve. presure from behind helps it stay closed.needs preasure from a grease gun to open.
Yup, 98% sure it is a grease fitting..... and other use is most unlikely.
Sweeeeeet...grateful for knowledgeable people with confidence! Thanks @streetstyle.
You are welcome @everlove Glad to help.