BDvape Pure BF White Delrin is an innovative mechanical mod constructed of original white Delrin and T6 sandblasted aluminum with light weight and comfortable grip. Aside from solid construction, Pure BF White Delrin also features an ergonomic design with an unique side firing button. It is powered by external single 18650 battery and uses stainless steel 510 connector plus an o-ring to fit for 25mm atomizers. The battery tube is equipped with a small handle that can be clamped in two different positions for convenient battery replacement. Moreover, the BDvape uses top refilling system that allows you to remove the bottle for refilling without having to unscrew the nebulizer, avoids any oil leakage during the process. Parameters: Size: 74.8 × 57 × 33 mm Weight: 146g Capacity: 8ml Power Output: Mechanical Connector: 510 Max Atomizer: 25mm Battery Type: 1 × 18650 battery Material(s): Delrin (FOP), T6 aluminum, brass, PEEK (polyetheretherketone) More information you can see https://vapesourcing.com/bdvape-pure-bf-delrin-mod.html