ROTARY SHAKER MINI PORTABLE MODEL (light in weight): CLOSED BODY With nylon lotus clamps Export quality (closed body) D.C. motor shaker for continuous work, smooth movement automatic motion, horizontal S.S.table top model with variable speed regulator, R.P.M 50 to 200 R.P.M approx. To work on 220 volts A.C. supply. Digital RPM Counter cum timer available at extra cost Supplied without Flasks.