This multi-functional shakers provide a 3-dimensional "nutating" motion for thorough, foam-free mixing in blood and centrifuge tubes, as well as in a variety of flat vessels. It come standard with auto clavable dimpled mats while optional flat mats are also available for mixing other vessel types. Stacking platforms can be purchased as accessories, effectively doubling the usable surface area of each model. Even the smallest single platform configuration has 24% more platform work surface than traditional nutating mixers. This mixer feature maintenance free, brush less motors capable of loads up to 2kg and are safe for use in cold rooms and incubators.