1Customer Support: If any blade set you purchased does not fit your hair clipper, please contact us any time, we will reply within 24 hours, and we will arrange a free or refund. anti-rustTo prevent the front carbon steel blade from rusting, we also chrome it. Material:The movable blade is made of carbon steel to ensure sharpness, it will not be dull when used like ceramics, and the carbon steel blade will remain sharp for a longer time. FIT Model:Compatible with Andis UltraEdge, Andis CeramicEdge series,for Andis model detachable blade clippers:Versa, AGC, AGP, AGRC, AGCL, AGR Plus, AGRV, DBLC, MBG, SMC and Most Oster A5 and Wahl KM Series Dog clipper. SIZE: 4FC blade dog grooming Leaves pet hair 3 8″(9.5mm).