Industrial Grade Rotary Shaker is very useful for stirring test tube and centrifuge tube. Rotary Shaker is made for applications that require precise control with speed and mode of operation. Rotary Shaker is used for mixing and development of cultures, solvents, assays, and also for shaking solutions in Erlenmeyer flasks. Industrial Grade Rotary Shaker comes in rugged construction and ensures quiet and trouble-free use.