Description Product Features Large radius rotor with 8 tube holes, centrifugal force is 1.5 times bigger than ordinary 6-hole rotor at the same rolling speed. The cover switch is outward designed and superstructure automatically bounce 95 degrees which is convenient for one-hand operation. The rotor is clip-on fixed. It is very convenient for rotors exchanging and pick-and-place. LED display the rolling speed and timing. Practice silent and stable. free-maintenance motor, long life and safe. Delicate appearance. Multi-purpose to meet different experiments demands.
