... .CE certificate; D.Timely delivery. carbon steel surgical blade,1.material:carbon steel; all blades are made of high premium quality carbon ... steel,resulting exceptional durability and sharpeness.2.fine sharp edge;3.sterilized ... #,19#,20#,21#,22#,23#,24#,25#,36#.5.all blades are individually packed in a composition aluminium, easy-peeled foil ...