Wahl #10 Competition Series Blade Replacement clipper blade constructed from heat-treated carbon steel. Ideal as a general purpose blade. Universal snap-on blade, should fit most types of Andis, Oster or Wahl clippers. Can be used with attachment combs The Wahl #10 Competition Series Blade is a high quality, heat-treated, carbon steel blade. This quality universal replacement blade will fit any Andis, Oster or Wahl clipper with a snap-on blade mechanism. Groomers Expert Tips: This blade features superior rust and corrosion resistance for an extra long life. Please browse our full Wahl Blades range.