Specifications Product Type: center point style Material: carbide-tipped, teflon coating, high-speed steel shank Extra strong, last extra long, a very good wear life Shank Diameter: 1/4 inch Cutter Diameter: 7/8 inch (22.2mm) Cutter Height: 35/64 inch (14mm) Overall Length: 2-11/64 inches (55mm) Application: Mainly used for cutting a variety of materials from wood, plywood, MDF and other wood composites, plastics, and solid surface etc.