Product Name: Gas Stove Control Knob. Material: Zinc alloy Color: silver Dimensions: 40 x 24 mm Shank diameter: 6 mm Tip: Before purchasing, please make sure the cookware knob is compatible with your cookware size (6mm). Material: The gas stove control knob is Made of high-quality zinc alloy with brushed surface, which has excellent rust and wear resistance, and can be used for a long time. EASY TO USE: The thermal switch button is very easy to install without additional tools. And the markings on the knobs help you identify the correct adjustment direction. Packing: You will receive 6 pieces gas cooktop knobs with 6mm shaft holes. Enough quantity can meet your daily replacement needs. Design: The cooktop control lock is ergonomically designed with a smooth surface for your comfort. Application: The gas stove knob is an ideal gadget for home or restaurant kitchens and works with most gas stoves, ranges, ovens and other kitchen appliances. describe: 1. The button has no sharp edges, the surface is smooth and it is very easy to clean. 2. Small and light, simple and modern design, perfect for your entire kitchen. 3. Simple and modern design: the simple and modern design fits perfectly with your entire kitchen. Good quality product