Wahl 5 Competition Series Blade Replacement clipper blade constructed from heat-treated carbon steel. Ideal for bodywork, especially where blending is necessary. Universal snap-on blade, should fit most types of Andis, Oster or Wahl clippers. The Wahl 5 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. Please note that we only recommend 10 or 15 blades to be used with attachment combs as any other blades may be damaged. Groomers Expert Tips: This blade features superior rust & corrosion resistance for an extra long life. Please browse our full Wahl Blades range.