This Pen is made of Titanium Sandblasted / Titanium Bronze / Zirconium+Geek-Ti / Geek-Ti, and 12 parts with CNC precision machining, each parts completed by multiple working procedure. Not only lightweight and portable for daily carry, but also tough and durable enough to as a emergency survival kits for camping, hunting or other outdoor adventures. Perfect for home improvement, construction, electrical, and DIY.