Thanks for everyone's help. In the process of trying to find steel plates locally. Unfortunately, our oven depth will only allow 16" plates (front to back). Going to get two 8" x 18" plates with 1/2" bars as Mary Ann advised.
We are entertaining this weekend. Company is making Chicago style pizza. Thought about trying to make garlic knots as an appetizer. Looked back through this thread and saw your photo. They looked amazing! Do you happen to have a recipe link?