510 threading connection Copper body wrapped with stainless steel Copper top cap wrapped with stainless steel with fixed pin & vent holes Bottom magnetic firing button, the locking ring is NOT reverse-threaded Locking ring
Material: Polished stainless steel Silver plated copper contacts Comes with a hybrid adapter & a 510 drip tip Houses single 18650/18500/18350 battery (batteries sold separately)22mm external diameter 18.5mm internal diameter