Coilart features RDTA's, RDA's RTA's, coils, and kits. Check out the variety of devices! There are also 3 packs of coils. There are plenty of options if you want to build your kit yourself. There are kits with beautifully designed outer shells. With devices such as Azeroth RDTA with four large wicking ports that is 24mm in diameter and stands 54mm tall, we're sure you'll be able to get what you want.