Jindal Wrist Action Shaker is a rugged construction, heavy base, rated for continuous use. The shaking speed action is variable. The degree of agitation, gentle to violent, is controlled by 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 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. Available in following variants Four Flasks Eight Flasks Four Flasks with four bottle holder Eight flasks with four bottle holder Eight flasks with eight bottle holder Criffon shaker to hold eight flasks Hot plate shaker to hold 9 flasks of 250mL or 16 flasks of 100mL