U.S. Army A-4001BK SPRING ASSISTED KNIFE AND TACTICAL PEN ARMY FOLDER WITH TACTICAL PEN - LINER LOCK MECHANISM 6.25" X 0.58" OVERALL FOR PEN, 4.5" CLOSED FOR FOLDER STAINLESS STEEL BLACK BLADE - SPRING ASSISTED BLACK ALUMINUM PEN TITANIUM COATED BLACK G10 KNIFE HANDLE, HALF SERRATED BLADE