It is a Milling Cutters/CNC Cutter/CNC Bit/Blade Carbide Single Flute Tipped Straight Router Bit. Material: High-speed steel body, medium carbon steel shank, carbide-tipped edge. Application: Can cut dadoes and grooves dimensioned perfectly for a variety of materials from wood panels, flakeboard, plywood, MDF and other wood composites sheet materials; can also be used in all handled and table mounted routers.