Very versatile High torque hand engine. The ideal motor for all day heavy duty laboratory work, chairside adjustments, polishing, etc. Detachable, "E" type autoclavable handpiece. Variable speed 32,000 RPM. Size: 6" x 5 1/2" x 3" Weight: 4 LBS 120 or 220 volt available. Torque compensation circuitry. Forward/reverse operation. Includes on/off foot switch. Option: AE-14A - Variable Speed Foot Control.