Material: Zinc alloy Color: Silver Size: 40 x 24 millimeters Valve stem diameter: 6mm Tip: Before purchasing, please ensure that the cookware knob is compatible with your cookware size (6mm). Material: The gas stove control knob is made of high-quality zinc alloy, with a brushed surface that has excellent rust resistance and wear resistance, and can be used for a long time. Easy to use: The hot switch button is very easy to install and does not require additional tools. The markings on the knob help you identify the correct adjustment direction. Packaging: You will receive 6 gas stove knobs with 6mm shaft holes. A sufficient quantity can meet your daily replacement needs. Design: The cooking surface control lock adopts ergonomic design, with a smooth surface that is convenient for you to use. Application: The gas stove knob is an ideal small tool for home or restaurant kitchens, suitable for most gas stoves, stoves, ovens, and other kitchen appliances.