The Benchmark Scientific (BV1000) BenchMixer sets the new standard in vortex mixing. With advanced Q-Drive technology, the BenchMixer provides smooth instant vortexing of even the largest sample sizes, including full 50ml tubes. The unique counter-balance system creates maximum vortexing action, while minimizing noise and excessive vibration. This results in quieter, more efficient and longer lasting operation.Other features include: no-walk suction feet, cold room/incubator compatibility and spill-proof electronic controls.