The Wahl-Animal 9757-1001 2-speed professional clipper with KM2 rotary motor delivers maximum performance, increased power and torque. The high torque KM2 clipper delivers more power in tough situations when clipping through mats and thick coats. The KM2 rotary motor of this deluxe clipper operates with constant speed control at 3. 000 and 3. 400 strokes per minute.