JINDAL Wrist Action Shaker Shaking Machine  is a rugged construction, heavy base, rated for continuous use. The shaking speed action is variable. The degree of agitation is controlled by a speed regulator. The Erlen Meyer flasks from 100 to 1000 mL capacity can be shaken at one time even without balancing. The full torque is always applied to the oscillating mechanism irrespective of speed setting. Fitted with fraction H.P. motor, cord and plug to work on 220 Volts, Single Phase, 50 Hz, AC supply.