Standard Stereotaxic - Like the classic Lab Standard™, the Standard Stereotaxic Instrument has larger laser engraved vernier scales (accurate to 100um), 80mm of ventral-dorsal, medial-lateral and anterior-posterior travel, absolute lock at 90 ventral-dorsal and brass-bushings for electrical grounding. Available as a digital or motorized model. Revolutionary vertically-adjusting ear and nose bar posts. Revolutionary horizontally-adjusting ear and nose bar posts. Designed for both rats and mice all on the same base. No U-frame, maximizes operating space. Traditional and non-traumatic rat ear bar. Includes innovative mouse ear bars, mouse and rat nose adaptor, and dual tip ear bars with tramatic (18) and non-tramatic (45) ear bars. **Sold for research purposes only and not for human use**