While up until this point all the rebuildable dripping atomizers have been round but with all the square box mods available something like this had to come out sooner or later, and this Hellboy RDA is going to look awesome on all your square box mods! Once you remove the Hellboy RDA square top cap, you'll find the familiar circular build deck with a very large juice well. It has a quad post hole design making it easy to build on, plus the post holes are a huge 2.5mm in diameter so you can slap virtually any build you want on here. If you want a rebuildable dripping atomizer that will look sick on all your square box mods then check out the Hellboy RDA clone! Purchase rebuildable dripping atomizers, e-juices, and more for your vaping needs. Shop now!