Here is a Nickel plated Aluminum ring. The outer diameter is app 10-7/8 inches and the inner diameter is app 8-5/8 inches. It's 1/8 inches thick. Weighs app 6 ounces. Has six countersunk thru holes spaced evenly apart. This is new. Custom made so no vendor packaging or info. A few minor scratches and blemishes from storage. Free shipping via USPS package / box with tracking. If you have any questions or need more pics, please let me know. Thanks.