OHAUS Rocking and Waving Shakers are innovatively designed for use in a wide range of lab applications. Rocking Shakers provide controlled seesaw-like motion, while Waving Shakers offer a smooth, low-foaming, 3D wave motion. Available in microprocessor-controlled digital models and economical non-digital models. All models include a non-slip mat, and most models are available with a stacking tray option to easily double the capacity.