... quality carbon steel,resulting exceptional durability and sharpeness.2.fine sharp edge;3.sterilized by Gamma radiation;4.all specifications are ... available:10#,11#,12#,15#,18#,19#,20#,21#,22#,23#,24#,25#,36#.5.all blades are ... VCI coated paper lining;6.shelf life:5 years.pictures: 20# carbon steel surgical blade