The VSM-3 Vortex Mixer provides gentle to vigorous uniform vortexing action with minimal vibration, which is ideal for: resuspending pellets, vortexing cell suspensions or drug extractions, mixing tissue samples, enzymatic, and RIA assays and much more! The VSM-3 features a continuous or a touch start/stop operation at variable speeds up to 3,000 rpm. This sturdy, reliable and durable vortex mixer is constructed of ABS plastic and 4 cushion rubber feet to safely secure your mixer in place during operation. The VSM-3 comes standard with an adapter for single test tubes and a 3" platform head adapter for beakers, flasks and multiple test tubes. A variety of additional adapter accessories are available that include, 10 or 60 place microtube adapters as well as microwell plate adapter. The VSM-3's compact and sturdy design make it perfect for any laboratory.