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, greatly improving 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 manually. Clean the replacement lid buttons by wiping with a damp cloth or rinsing 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, preventing sharp edges that could cut hands. The slightly rounded shape allows for easy handling and comfortable grip. The elegant and simple design provides effective functionality in any kitchen. Universal fit: This replacement lid knob has a safe, large handle for easy gripping. The plastic handle helps prevent hand injuries. The thick, comfortable design makes it an essential choice for home use. The sleek black round shape matches various pot styles and kitchen decors. Applications: Suitable for various cookware lid types, including kettles, oil pots, frying pans, pots, saucepans, casseroles, glass lids, and more.