The ultem kit is a very nice addition to this RDA, which by itself already is a beauty. But sometimes you need that other look, to make it fit perfectly to you mod for example. Well in my case that was the case. Only thing that is a bit annoying is that the drip tip is polished, so looking so nice an shiny, and the rest of the kit isn't polished, so it doesn't match 100%. That is a bit of a bummer. And that is why i'm only giving it 4 stars.