4 7/8" closed. 154CM stainless or Black titanium nitride coated partially serrated blade with false edge on top. Black glass reinforced nylon handles. Reversible black coated stainless pocket clip. Features the Lake-Walker Interlock Manual Safety Lock. Designed by the legendary Colonel Rex Applegate. Blades feature ambidextrous thumb studs and are etched with Rex Applegate and W. F. Fairbairn signatures.