This Muurikka D-400 is a 40cm double ring gas burner heats up rapidly and the power is easy to adjust. The Stainless windshield is sufficiently large, so the flame is not likely to go out. Heavy pans are no problem as the burners are sturdy with strong long legs. The D-400 burner comes with long legs which can be removed for storage. This burner is easy to set up and can be used as a portable cooking device.