The inspection wedge is a wedge with a hole through the middle high visibility orange in color. It's a multi-purpose tool. You can use it with a flashlight inserted to see inside panels. as a knockdown holder during repairs, a pry tool for R&I or as a guide for your borescope into panels.
The light is easily replaceable with a few turns of an Allen wrench. The light can be found on Amazon or any local auto parts store.
** Inspection wedges comes with a free light pre-installed as a convenience. This light is not under any type of warranty. **