CARBONIZED STEEL: The removable blades are made of carbonized steel, which has a long edge life. The blades are sharper and more durable with this type of high-quality material. , , CUTTING LENGTH: The pet's hair is trimmed at a length of 1/8 inch from its tail, feet, face, and ears using a pet clipper blade with toughened cutting technology. The size of the blade is 7FC. , , ULTRA EDGE: The UltraEdge blades have a special hardening process that extends the blade life and increases the blades' useable life. Sharp edges are intended for easy cutting. , , REST RELUCTANT: The detachable blade is coated with a chrome finish that resists rust and helps keep blades at optimum performance. The pets won't get hurt or irritated while their hair is being cut. , , COMPATIBLE: The blade fits all Andis model detachable blade clippers: AG, AGC, AGP, AGRC, AGCL, AGR Plus, AGRV, DBLC, MBG, and SMC. It also fits Oster A5 and Wahl KM Series.