What's this inspection table component called?

https://imgur.com/a/DTMZl9i
This is a table for checking screenprints for defects, a microscope scrolls around on these XY rails; what are the rails called? I want to get something similar on a different table.

Googling "XY gantry" yields lots of motorized ones, I need one to scroll around by hand.

The table:
https://subit-tech.en.made-in-china.com/product/msYJgfMhHWkZ/China-Steel-Screen-Silkscreen-Film-Detection-Table-with-Microscope-for-Screen-Film-Checking.html

submitted by /u/itsfonttimebaby
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