How to cut recessed drop ceiling tiles.
How to cut ceiling tiles around lights.
The lip of the tiles grip.
Ask at the local tile shop if they have the same type.
Can light kits make recessed lighting once.
Measure the width and length of your tiles and take a picture of them.
Recessed drop ceiling tiles are shallower around the edges allowing most of the panels to hang even with or below the metal grid.
Do it yourself projects are frequently complicated by mis matching a tool with a simple task.