Andis Ultraedge Blade N 7 AG For Clipper - 3.2Mm Andis combs are made of carbon steel for lifelong use and a chrome finish for better resistance to rust. Compatible with a variety of other brands (Oster, Moser, Heiniger, Aesculap, Wahl clippers). Andis Ultraedge blades have been a staple product of professional groomers for years. These durable blades are designed to clip through the coat with ease, making grooming easier and safe. Made from an exclusive carbonized hardening process means your blades stay sharper for a longer time.