A 3-axis panel (3ap) mount Trackerball, built to a very high specification. This unit is intended for use in demanding environments such as air traffic control, marine and medical imaging systems, where direct access to a third axis of movements enhances the user interface.

The unit uses a high-mass phenolic ball and large diameter stainless steel shafts to improve product integrity and to offer increased endurance in harsh environments.

A unique bezel design allows for a third axis of movement. This may be '(|)' or 'Z' depending on the application. Movement in this axis is obtained by rotating the knurled theta ring either clockwise or anti-clockwise.