With 1/12 Hp motor. Rated at speeds of 1000 to 7500 rpm. Because of the high speeds, these motors are relatively low in torque, (0.7 inch-Lbs.) Be sure to check the motor load if operating these stirrers with any fluid whose viscosity is above that of water. The electronic control of this unit is mounted in a small round can which is attached to the motor by a 42 inch cord. This control can be placed on a countertop or shelf nearby the stirring apparatus. This feature is especially useful for working under a hood. With 5/16 inch chuck. For 110V, 60 Hz. (103)