VIDEO: M3-RS-U2-4.5-360 Rotary Microstage Developer’s Kit 

Rotary micropositioning stage is only 12 mm diameter including embedded controller. It offers 360 degrees continuous rotation at up to 1,100 degrees/second with an accuracy of 0.25 degrees.

Source: VIDEO: M3-RS-U2-4.5-360 Rotary Microstage Developer’s Kit – New Scale Technologies