Swedish Vaper HotRod is an exquisite RDA created by and born for DIY lovers. It has 24mm diameter and features a unique appearance inspired by the piston of car engines. The Swedish Vaper HotRod RDA also comes with dual coils building deck for richest flavor, which is further concentrated by the domed vaporizing chamber. Plus the fully adjustable and direct-to-coil airflow design, the HotRod RDA is really worth to use. And the glass tube is protected by the solid stainless steel outside top cap, so you can use the HotRod RDA for a long time. And the package also includes an extra squonk pin, which makes the HotRod be more functional.