[Material]: The cooker control knob gas adopts high-quality zinc alloy wire-drawing surface, which has excellent corrosion resistance performance. rust, wear and tear; tear, and can be used for a long time.[Easy to clean. to use]: the heating control knob is very easy to use. install, no other tools are needed. And the mark on the button can help you. determine the correct setting direction.[Package] gas with 6 mm holes. A quantity sufficient can respond to your daily replacement needs.[Design]: The cooktop control lock complies with; the ergonomic design and the surface is smooth, giving you a comfortable feeling. gas is an ideal gadget for home or restaurant kitchens. It is suitable for; most gas cookers; gas, stoves, ovens and other kitchen utensils.