Dorsal/Ventral adjustment dial – Calibrated in 100 micron increments, 1 mm per revolution.
Dorsal/Ventral adjustment – 30 mm
Dorsal – 10 mm above ear bar zero
Ventral – 20 mm below ear bar zero
Coronal adjustment – 35° (5° graduations)
Adaptor Plate A/P adjustment – 44 mm
Ear Bars – Model 921 Zygoma Ear Cups.
A set of (.305″ dia.) serrated and soft tissue cups included.
(6.3 mm square w/ 35 mm of calibration).

Model 921-E & 923-B compatible with 900, 1430 & 1730 series frames. Model 926 compatible with 900 series frames.
Model 1226 compatible with 1430 series frame.
Model 1726 compatible with 1730 series frame.

Special Order for 1530 series stereotaxic frame.