These are best that I have found to remove tight and stubborn pieces from each other.

I have tried everything under the sun to get a grip on round to round connections. These act like they are welded on when you use them.

Just place one on each component and your set. They do work if they get some e-liquid ok them however they work the best when dry.

They are a must have. I just recently lost my pair. I have to replace them. They are the absolute best.

Best goodie ever! It is an important part of the toolkit for those stubborn atties that won't unscrew!