LED Bar holder for Lack enclosure

These are holders for LED Bar (taken from Amazon, https://www.amazon.it/gp/product/B0183MDDZ0/ref=oh_aui_detailpage_o03_s00?ie=UTF8&psc=1).

There are two types of holder, A and B, with different orientation of the 45° face, for mounting left or right with the lights pointing toward the centre of the Lack enclosure. It is possible to mount everywhere, choosing the appropriate holder for pointing in the desired direction.

The holes are made for M4x30 self-threading wood screws (2X).

The L