... carbon steel surgical blade,1.material:carbon steel; all blades are made of high premium quality carbon steel,resulting exceptional durability ... #,19#,20#,21#,22#,23#,24#,25#,36#.5.all blades are individually packed in a composition aluminium, easy-peeled foil, every ... piece is protected by VCI coated paper lining;6.shelf life:5 ...