1.Large, easy to read vernier scales
2.Scales are laser engraved-accurate to 100 microns
3.Triple lead screws for fast positioning
4.80 mm of vertical, lateral and anterior-posterior travel
5.Absolute lock at 90º ( vertical )
6.Brass bushings in manipulator arm permit electrical grounding
7.Useful with a variety of instruments
8.Accessories available for use with a wide variety of small animals