This double cut 14-degree inclined angle carbide (taper) burr is perfect for exterior finishing on edges and less-accessible areas on various materials. Materials include ferrous metals such as steel and cast iron, nonferrous metals such as brass and copper and a variety of hardwoods. Individually packaged in a plastic tube for protection. Stocked with 1/4" shank that is engraved with the part number and manufacturing quality control number.