If you want to buy Voopoo Drag X 510 Adaptor or Drag S 510 Adaptor, Reewape 510 Thread Adaptor is what you needed. It is made of stainless steel (510 threaded connector) and POM (housing). With this connector, you can switch your Drag S or Drag X Mod Pod Kit to the ordinary 510 threaded box mod kit. Then use different atomisers with 510 thread as needed.