Bertazzoni MAST486GRTBXT 6 Burner Gas Rangetop Cooktop, Stainless, Griddle Bertazzoni Master Series 48 Stainless Steel Natural Gas Rangetop with Electric Griddle MAST48GRTBXT New never used in great conditions. Professional-grade stainless steel gas rangetop from Bertazzoni. This unit has six brass burners and an integrated electric griddle. The heavy-duty cast iron grates provide a continuous cooking surface. It is equipped with metal control knobs and the signature Bertazzoni brand emblem.