The BeefEater built inside Burner is made with 304 stainless steel and is a drop-in (you can just drop it into a countertop). The 18,000 BTU's gets things hot quick for those hard cooking jobs like a big pot of corn. The Drop-in model is easy to install it just drops in even over something like a Refrigerator when space is tight. The BeefEater side burner comes with it's Stainless Steel Cover to keep the burner out of the elements outside and has a 3/8 flare end tee for easy installation. The Burner themselves are made of brass and won't rust. The Sleek looking design Has a Brushed Stainless Steel finish and matches the BeefEater Grills perfectly. Why heat up the house in the summertime when you can cook all your side dishes on a brand new Beefeater Stainless Steel Side Burner. The Cut-Out Dimensions are 7" Wide and 17" Front to back. If there is a backsplash on your island try Mounting the farthest to the front as possible to make it easy to open the lid without hitting.