Bur MicroAire® 4 mm Diameter Carbide Olive Tip

For use with models 1140, 1910, 1910T, 1930, 1932, 1940, 1940T, 2100, 2120, 2130, 2910, 2950, 5930, 6100, 6120, and 6130, also fits Linvatec® micro drills with medium bur guard