Introducing the New Wismec Reuleaux RX Machina mech mod with Guillotine RDA Kit. The Reuleaux RX Machina mech mod has an attractive resin and plastic decorative tube with bottom press structure fire button. You can either use it with a 20700 or 18650 cell (with a sleeve). The Guillotine is a 24mm RDA atomizer with innovative 2-post guillotine style build deck for large complex coils. Together with adjustable side airflow and gold-plated bottom filling pin.Great for huge vape clouds!