It is a Woodworking Tools/Milling Cutters/End Mill/Double Edging Router Bits. Product Type: center point style. Material: carbide-tipped, teflon coating, high-speed steel shank. Extra strong, last extra long, a very good wear life. Application: Mainly used for cutting a variety of materials from wood, plywood, MDF and other wood composites, plastics, and solid surface etc.