The 621 Bi-Level Group Grill by Ultra Site offers a significant cooking area at 1,008 square inches. What is so unique about this grill is that it features a utility shelf that is complemented by a 4-level cooking grate that is fully adjustable. This will accommodate the precise heat needs of any grill master. The steel black firebox is powder-coated and able to withstand high heat. It is MIG welded with 11ga sidewalls and 7ga base plate. It can be surface or in-ground mounted. Easy to read instructions are include, and all you need for assembly is level, measuring tape, socket wrench and regular wrench. Ultra Site provides a 1-year warranty on the bi-Level Group Grill against manufacturing and material defects.