A thing to keep cables from bashing in to other thing on a busy workbench. Tap bottom hole M4 and use an M4 x 16mm bolt to tighten onto a plywood workbench.
With the addition of the slide-on Top_Clip cables can be locked in place and can't fall out.

Creality

Ender 3

No

No

200

38

More accessories will follow but there's enough here to solve most problems.