BRAND NEW IN THE BOX.....GENUINE OSTER PROFESSIONALREPLACEMENT CLIPPER BLADES MADE IN USA Oster Golden and Turbo A5 Replacement Detachable Blades, all sizes availableCompatible w/ most Andis and Oster Detachable clippers Oster® Professional blades are produced from the finest high-carbon steel and handcrafted to our rigorous standards, providing unparalleled precision and performance. Furthermore, our U.S. made blades are hardened to RC62-66 (Rockwell Scale C) in-house prior to receiving a cryogenic treatment which further enhances the hardening process. The blade cutting surfaces are then sharpened, finished and tested with proven Oster® proprietary processes, ensuring ultra-sharp blades that continue to stand the test of time. Available in multiple sizes for various cutting lengths and maximum versatility. SIZES AVAILABLE #50 Blade # 78919-006 Leaves hair 1/125" (0.2 mm) #40 Blade # 78919-016 Leaves hair 1/100" (0.25 mm) #30 Blade # 78919-026 Leaves hair 1/50" (0.5 mm) #15 Blade # 78919-036 Leaves hair 3/64" (1.2 mm)