Part of Wahl's Competition Series, this #50 Ultra Surgical detachable blade set is engineered for exceptional performance and precision. It features a cut length of 1/64" (0.4 mm), and includes a vial of blade oil to ensure cool operation and smooth cutting. For superior durability and rust protection, all Competition Series blades feature a corrosion inhibitive finish. The #50 Ultra Surgical detachable blade set is compatible with the Wahl KM1, KM2, Switchblade, Storm, Storm II, and most Oster and Andis detachable clippers. Blades proudly made in the U.S.A.