The Spec Ops Pen S.O.P. Elite from TOPS Knives has a black and green G-10 body. The two slabs are separated by spacers through which the Fisher Space Pen cartridge is visible. This pen is able to write just about anywhere in the most extreme conditions and even upside-down. The Spec Ops Elite comes with a Kydex sheath and ball chain. Also includes a TOPS Knives storage pouch.