20X1mm outer threading and standard 510 Connector 7x0.5mm threading internally for your atomiser.
Insulator on the underside for improved safety.
Stainless, Brass or Copper options.
Available individually or as a set of 3 (1XStainless, 1XBrass, 1XCopper).
Please use hybrid adapters with caution and make sure your atomiser 510 has a centre pin that protrudes from the bottom.
We accept no responsibility for use of these items. Observe good battery safety practices at all times!