The Dynamic Duo. Combines two popular Buffalo Dental units into one complete system: The V35 electric handpiece system featuring a High Quality, multi-speed control console teamed with a Gray Handpiece and a ThermaKnife Thermal Tray Trimming Knife. To trim, cut, smooth or polish nearly any dental material. Features a heavy-duty, 35,000 RPM lab motor with four console-selectable speeds and forward/reverse switch. Lubrication-free motor offers high torque and smooth operation, even at low speeds.