This is one of our most popular designs the "Spartacus". Made from a single 1/4" (6mm) 9cr14 billet. Each blade is by computer numerical control (CNC) router. Each ridge and valley on the blade is individually cut out. The process makes a unique, one of a kind, high end knife. The overall length is 9 1/4"" and the cutting edge is 4 1/4". This impressive blade is incredible stout and beefy. If you want a high end one of a kind creation this is the one. Limited to 100 made.