The size 50 Oster CryogenX Professional Pet Clipper Blade is designed for extremely close clipper work, making it a great choice for grooming and styling your pet. This detachable clipper blade cuts hair down to 1/125 of an inch, so it can also be used as a veterinary surgical prep blade. Oster pet clipper blades are handcrafted to rigorous standards and then sharpened, finished, and tested using Oster's proprietary processes to ensure exceptional sharpness and durability. This grooming blade can be used under Oster universal comb attachments and fits a wide variety of Oster clippers. Oster clipper blades are manufactured in the USA with superior craftsmanship and pride for reliable results groom after groom.