Benchmark Scientific Rotating Mixer R5010 Rotating Mixer provides gentle to vigorous mixing of laboratory samples up to 50mL. With adjustable speed control and tilt angle, the rotating mixer is ideal for a variety of applications, from mixing blood samples to the preparation of homogenous dispersions. Adjustable speed and tilt angle Reversing mode, for more intense mixing Cold room and incubator safe Includes three rotisseries for all common tube sizes