Genuine Andis Ultraedge Blades. Andis® UltraEdge Clipper Blades are made from carbon-infused steel for a harder cutting surface that lasts longer. Andis® UltraEdge clipper blades are made from high-carbon steel and processed through a unique carburizing heat treatment that actually adds carbon to the metal, producing a harder cutting surface. Blades hold a razor sharp […]