A new mod made of stainless steel arrives!
1, Different extension tubes are supplied. With these tubes, the length of the mod can be adjusted and to suit different batteries(18350,18500,18650).
2, Silver plated contact pins. The top and bottom caps are equipped with silver plated contact pins to allow strong conductivity.
3, Adjustable delrin cap. The bottom firing cap is supplied with an adjustable delrin cap, which allows the specific battery size to be fastened and remove any unwanted gaps inside the tube.