Sterile. Individually Packaged. Made From Premium Quality Swiss Carbon Steel And British Stainless Steel. Computer Controlled Grinding, Sharpening And Polishing, Ensures Consistently Smooth Incision Properties. Sterilized By Gamma Radiation 2.5M-Rads. A Vapor Corrosion Inhibitor (Vci) Paper Lining, Leakage Testing, And An Aluminum Foil Peal Pack Help Insure Quality And Integrity When Ready To Use.