Material: Heat-resistant bakelite + stainless steel Size: 6.4cm x 2.5cm Applicable aperture: 5mm-12mm Package list: 6 pieces * lid button, 6 pieces * screw, 6 pieces * matching washer High-quality material ensures durability and significantly improves the service life of the pan handle cover. The base is strong and stable. Easy to use: The set includes 6 screws and 6 stainless steel washers. Simply place the lid knob on the old pot lid and tighten the screws by hand. Clean the replacement lid buttons with a damp cloth or rinse directly with water. This lid button is corrosion-resistant. Ergonomic design: The pot lid cover knob with screws features a smooth, thick rim with no burrs, ensuring safe and comfortable grip. The slightly rounded design allows for easy handling. The elegant and simple design provides effective functionality in any kitchen. Universal fit: This replacement lid knob has a safe, large handle that is easy to grip. The thick material offers comfort in hand and helps prevent burns. The sleek black round shape complements various pot styles and kitchen decor. Applications: Suitable for a wide range of cookware lid types, including kettles, oil pots, frying pans, saucepans, casseroles, glass lids, and other pot lids.