RovyVon Commander C10 made of Titanium and has a length of 4.905 inches and a diameter of 0.495 inches, only weighs 1.456 oz. The pen uses a bolt action mechanism. The refill comes from Germany (SCHMIDT P 900), and at the top of the pen, there's a ceramic ball for glass breaking and self-defense in case of an emergency. A titanium pocket clip and an RX10 EDC Organizer box is included.