The Drop Solo is the latest game changing RDA designed by Brian from The Vapor Chronicles YouTube channel. It is the single coil 22mm version of the original 24mm DROP RDA, which has been widely recommended as the best RDA in the industry. 2 large post holes allowing for easy coil placement, and maximum build space with open access to trim excess. The post holes have also been designed with a notch to trap round wire builds with ease. Come with Bottom feed positive BF pin Easy Coil replacement & open access to trim excess 2 different sized top cap & mid cap 2 sets of different style postscrews Removable gold plated positive &negative posts Standard 510 and Raised BF Squonk 510 pin 1 Clapton coil (0.2