Oster #7F CryogenX AgION Blade Replacement clipper blade constructed from cryogenically treated carbon steel Advanced AgION antimicrobial protection is built into the blade surface Ideal for producing a smooth finish on necks and heads Universal snap-on blade should fit most types of Andis, Oster or Wahl clippers The Oster #7F CryogenX AgION Blade is a high-quality carbon steel blade, cryogenically treated to keep edges sharp. The blade features advanced silver-based AgION antimicrobial protection to help prevent the growth of bacteria, mould and mildew. This quality universal replacement blade will fit any Andis, Oster or Wahl clipper with a snap-on blade mechanism. Please note that we only recommend #10 or #15 blades to be used with attachment combs as any other blades may be damaged. Please browse our full clipping range.