Gerber Applegate-Fairbairn Combat Folder Double Bevel Knife. 5 3/4" closed linerlock. 425 modified stainless steel blade, heat treated to RC 56-58. Blade is partially serrated and has false edge on top. Black glass reinforced nylon handles. Features the Lake-Walker Interlock Manual Safety Lock. Black ballistic cloth sheath. Designed by the legendary Colonel Rex Applegate. Blades feature ambidextrous thumb studs and are etched with Rex Applegate and W. F. Fairbairn signatures.