Oster 76 blades replacement fits classic 76, model 10, detachable clippers size 3.75 76918-206 leaves hair 1/2 (12.7 mm) uses free hand establishes length on the sides and nape. Oster 76 Clipper blades are produced from the finest high-carbon steel and handcrafted to our rigorous standards providing unparalleled precision and performance.