Cooktop with mirrored edges, thermally treated toughened glass, heavy gauge stainless steel frame, robust stainless steel-clad switch knobs, burners spaced far apart to accommodate large vessels, detachable spill-proof drip trays, and rust-free stainless steel fasteners. Heavy gauge brass burners, precision machined mixing tubes, hard anodized mixing tubes, powder coated or electroplated gas flow pipes, and gas valves for maximum efficiency. In the Edge Plus 2 burners, Edge 3 burners, and Edge 4 burners, auto ignition is an option.