Now that everybody's building/buying clapton coil for their RDAs, we are proudly presenting to you the Tesla Clapton RDA which is made especially for Clapton, twisted, tiger coil building. Not a problem If you want to do normal coil building. The Tesla Clapton is a 24mm diameter x 42mm tall RDA. For those who are looking for a new RDA that's good for flavor with huge build room, you can't go wrong with this. Other than the stainless steel tube, the Tesla Clapton RDA comes with a Pyrex Glass Tube, so that you can see what's going on inside the chamber.