Features 1、Adopting high quality tungsten steel and aluminium alloy, high hardness, does not rust and for long time use. 2、It can be used as a normal pen with smooth writing and the clip of the pen for easy storage. 3、The pen refills can be stretchable, with clockwise and counterclockwise can corresponding to open and hide the pen refills, which is convenient, flexible and practical. 4、The perfect cone-shaped of its head, can effectively protect yourself. 5、Handing part adopts rhombus salient point design that can add friction for holding tightly, not easy to fall off. Specification Features: Adopting high quality tungsten steel and aluminium alloy, high hardness, does not rust and for long time use. It can be used as a normal pen with smooth writing and the clip of the pen for easy storage. The pen refills can be stretchable, with clockwise and counterclockwise can corresponding to open and hide the pen refills, which is convenient, flexible and practical. The perfect cone-shaped of its head, can effectively protect yourself. Handing part adopts rhombus salient point design that can add friction for holding tightly, not easy to fall off. Specification: Condition: 100% Brand New Material: Tungsten steel, Aluminium alloy Package List: 1 * Tactic Pen