The TFI (Task Force Infidel) is the latest knife by Ontario. The design was created by US Ranger Justin Gingerich. he used carbon steel 5160 as blade steel (Rockwell 57-58) that withstands corrosion thanks to the black powder coating. The two-tone finish with the entirely satined tang gives the knife its unique character. Originally the Blade Show 2010 Special it is now available as serial model. The blade is significantly slimmer than other models by OKC and yet provides the same stability. The handle is made of weatherproof canvas Micarta. Includes puncture-proof black nylon sheath.