Wrist Action Shaking Machine Has A Heavy Cast Iron Base With Rugged Construction And Two Slide Arms For Holding Flasks. Wrist Action Shaking Machines Are Fitted With A F.H.P. Heavy Duty Motor With Variable Speed. Can Hold Flasks From 100 To 1000 Ml. Capacity. Supplied With Cord And Plug. To Hold 8 Flasks. Fitted With 0-60 Minute Mechanical ONOFF Timer. Fitted With 0-60 Minute Mechanical Timer. To Work On 220 230 Volts A.C. Supply.