3000RPM Lab Mini Vortex Mixer:3000RPM fixed speed, 6 mm orbital diameter, this scientific vortex mixer mixes different sizes of test tubes in seconds. Also easy to operate with the one-handed touch operation function. This lab vortex shaker is equipped with a brushless DC motor, runs stably and smoothly at a low noise level. Suitable for mixing test tubes, paint, nail polish, tattoo ink, eyelash glue, etc.