Come and Check Our Promo Solutions.The tactical pen cap is made of tungsten steel, and the pen body is made of aerospace grade aluminum, which has excellent strength and portability. Break the window to escape in an emergency. Hidden, low-key, unique attackers can suddenly have amazing attack capabilities, protect themselves from attackers and identify with DNA collectors. Suitable for everyday use or emergency situations. Pls check inventory and detailed info with us before placing your orders.