P. L. Tandon & Co. Supplies Wrist Action Shaking Machine. P. L. Tandon & Co. Is an ISO 9001 2000 certified co. And manufactures laboratory instruments. The Wrist Action Shaking Machine is used to hold flasks from 100 ml. To 1000 ml. It offers a variable shaking speed action. This machine is operated by speed regulator designed with fractional H.P. Motor which makes it suitable to work on 220 Volts AC. This Wrist Action Shaking Machine is available with plug and cord and with or without Platform