GAMMA + X-Ergo Linear Cordless Clipper - HCGPXERGOMS:

Already considered the most heavy-duty and professional motor, the X-ERGO features the latest in magnetic motor technology with a microchipped PC board and 9V motor for even more power and torque. This turbocharged long-life magnetic motor runs at 10,000 strokes per minute, not only offering the ultimate in speed, power, and longevity but the quietest performance of any professional clipper.