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