Andis Company has been creating high quality dog grooming tools for over 90 years. With its unique carbon-infused steel parts, Andis blades are made to last. Andis always hand-inspects all grooming tools before they are shipped. Andis UltraEdge™ Clipper Blade - Size 7FC has a harder than regular steel cutting surface that will stay sharp longer than ordinary blades. With a 1/8" (3.2mm) blade cut, the size 7FC blade is ideal for creating a smooth finish after stripping. Made from high carbon steel due to a carburizing heat treatment, the UltraEdge™ Clipper Blade will endure more sharpening treatments and last longer than ordinary clipper blades. Key Benefits All Andis UltraEdge™ clipper blades are hand inspected before shipping Blades have a Rockwell Hardness rating of 65 Sharpened to exacting professional quality standards Compatible with other brands including Wahl, Conair and Oster as well as Andis brand clippers.