?Stainless Steel Finish?The 12 inch drop in gas stove top is made of high quality stainless steel with a heavy cast iron pan support grates, 2 melt-proof zinc alloy knobs and black burner covers. It is very easy to clean after cooking.The built-in size is 10-11/16'' x 18-7/8''(270mm x 480mm) while the whole product size is 11-5/8'' x 20-7/16'' x 3-15/16''(294mm x 518mm x 100mm). It is perfect to match different styles kitchen.