Parker Daedal CR4412DM Manual cross roller slide.These have been in demo stock for many years. They have never been in an application. Thus, Listed as new other.. Current pricing on these is just shy of $4000 each. They are very heavy duty due to the cross roller slides. They have a digital readout to 5 digits..   That's  ten  millionth  of an inch..

Details attached.

Doing some "Housekeeping" .. just Bought new batteries for  both