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 by hand. Clean the replacement lid buttons by wiping with a damp cloth or rinsing with water. This lid button is corrosion-resistant. Ergonomic design features a smooth, thick rim with no burrs, preventing sharp edges that could cut hands. Provides a comfortable grip. Slightly rounded shape allows for easy handling. The elegant and simple design offers effective functionality in any kitchen. Universal fit design. This replacement lid knob is safe and easy to grip. The plastic handle helps prevent hand injuries. Thick material ensures a secure and comfortable grip. Ideal for everyday home use. The sleek black round shape complements various pot styles and kitchen decor. Suitable for various cookware lid types, including kettles, oil pots, frying pans, pots, saucepans, casseroles, glass lids, and more.