Pool Light Adapter Repair Ring by CMP is a Stainless Steel Frame that can be retro fitted into a light nitch to fix stripped or broken light mounts. It has 3 allen screw that anchor to the inside of the light niche, as well as a new bonding lug. The ring measures 9-7/8" (10") outside diameter. It is designed with a bolt to detach ring for light cord to install while light is still in the pool. It is the perfect solution for broken or stripped light niches.