It is a Milling Tools/V Groove Engraving Bits/3D Engraving Router Bits/Carving Tools/Milling Cutters/End Mill. Material: carbide-tipped, teflon coating, high-speed steel shank. Product Type: center point style. Application: Mainly used for cutting a variety of materials from wood, plywood, MDF and other wood composites, plastics, and solid surface etc.