HIGH QUALITY MATERIAL: Gas stove knobs made of high quality metal, highly abrasion resistant, sturdy and durable. EASY TO APPLY: 6mm built-in hole for easy installation, smooth surface is easy to clean and comfortable to grip. UNIQUE DESIGN: The mark on the button can help you know the correct direction to adjust. GOOD PROCESSING: No sharp edges. With metal shine, small and light, simple and modern design, concise and stylish. WIDE APPLICATION: Perfect gadget for family or restaurant kitchen, widely used for stove, gas stove, oven, etc. Colour:Silver Material:Metal Size:Aperture 6mm, diameter about 38mm Package Contents: 5 * Gas Stove Knobs Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.