With the KettlePizza 26Ext - Pizza Oven BBQ Kit, now those who own the 26.75" large kettle grills can enjoy fresh homemade pizza right in their backyard. This extension kit increases the diameter of KettlePizza's 18.5" and 22.5" kettle kits to fit larger Weber grill models. The extension plate is made of 20 gauge 304 grade stainless steel. This pizza oven product KPE-26 includes the extension plate only, and the kettle grill and pizza oven kit are sold separately. With the KettlePizza line of pizza oven conversion kits, you can turn your ordinary everyday backyard cookout into a unique party complete with fresh pizza right off the pizza stone!