Replacement Clipper Blade For The Classic 76, Star-Teq, And, 1/2, 9.5 Mm. 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. View Detachable Blade Guide. Cuts hair 3/8 inch (9.5mm) Replacement blade for Oster Professional Models: #76076, #76054 #76066 Made in USA