Kutzall Extreme 3/4 x 1-1/8 In. Ball-Nose 1/4-In. Shaft Burr, Very Coarse features a rugged and very coarse coating designed for aggressive material removal with precise control and efficiency. The tungsten-carbide teeth are razor-sharp and resist loading, allowing you to produce flat surfaces, round-over edges, concave surfaces, and radius-bottom grooves with ease. These ball nose burrs help you spend more time carving and less time clearing your tool, making them an excellent choice for detailed and efficient work. Model Number: BNX-34C