Body is 3D printed from black Nylon PA12, that gives  to the body necessary strenght and light weight.
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Spring loaded stainless steel 510 connection with brass pin can fits perfectly any RTA atomizers.
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Fits  up to 23mm diameter atomizer, from 510 to the top of the mod are 29mm.
Can be added also detachable atomizer protection cage  and additional 18500 or 18650 extension kit.