Dante Antique Copper floor plate ring is used to cover up the hole that was drilled just a little larger than the floor plate cover will fit. The ring allows the floor plate to sit inside and adds an additional 1/4" lip all the way around. It measures a total of 2 11/16" in diameter. Made with the same finish as the keys and floor plate covers so all of the accessories will match perfectly. Use this floor plate ring with your gas fireplace valve and bask in the satisfaction of knowing you've made the right choice in fireplace components and accessories. These durable, dependable products are available in a variety of finishes, so you get to decide how best to give your fireplace presentation the decorative touch you want it to have. Simply choose the finish you want and enjoy it for years to come!