The Medicool Professional TurboFile II Electric Filing System features a powerful and quiet 20,000 RPM motor along with variable speed control and with no vibration. Forward and reverse function and twist locking chuck. The lightweight hand piece accommodates all 3/32 bits. The Hand piece cradle is built into the base. Medicool Professional TurboFile II Electric Filing System includes 1 Diamond and 1 Mandrel bit. One year warranty.