These rocking shakers provide homogeneous mixing in flasks, Petri dishes and tubes. Ideal for the cultivation of cells, DANN extractions, distributing of cells, or staining and de-staining of cells. Choose either the basic or digital shaker; both have simple keypad control, anti-slip rubber mat, continuous operation, and constant shaking speed even with load and voltage fluctuations. The digital model offers the addition of an LED display, adjustable speeds, programmable timer, and adjustable rocking angle.