FREE 12,000 rpm MOTOR --- The latest high speed motor provides increased forcesQUALITY JAPANESE BEARINGS --- High speed high-grade miniature ball bearings for long spin timesCOMPUTER BALANCED --- The solid brass disk is machined to a few microns and then computer balanced to 250th of a gramNUMEROUS ATTACHMENTS --- Modular design and Interchangeable stainless steel attachments allows for many experiments.
