Designed for the small family, the Newmatic PM640STGB has 4 burners to provide plenty of cooking space. For safety, the Flame Failure device automatically cuts the gas in case of leak. The tempered glass top is easy to clean and carries a lifetime warranty. The knobs are made of zinc alloy and completely melt proof. Heavy duty cast iron trivets are sturdy & durable. It is the natural choice of cooktop to compliment a small modern kitchen design