It's such a simple thing, but it works great with both of my glass pieces. Shipped quick!

I bought one someplace else but only the 10mm fit correctly with my Mighty. This fit all 3 sizes and has a nicer feel, but I guess everybody has different glass adapter. I like this very much so far.

This thing is so easy and intuitive to use it's not even funny. For the price you pay you're adding functionality to virtually any glass piece as well as the vaporizer itself. I have the Mighty and after picking this up I don't know if I could ever go back to the stock cooling unit again! Do yourself a favor and pick up this and the extra long cooling stem VGoodiez does and you won't regret it!