Pool Light Adapter Repair Ring by CMP is a Stainless Steel Frame that can be retrofitted into a light niche, to fix stripped or broken light mounts. It has 3 allen screws that anchor to the inside of the light niche, as well as a new bonding lug. Designed to easily detach ring for light cord, to install while light is still in the pool. It is the perfect solution for broken or stripped light nitches. Measures 10.5" diameter.