Material: Heat-resistant bakelite + stainless steel Size: 6.4 cm x 2.5 cm Applicable aperture: 5 mm - 12 mm 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 by wiping with a damp cloth or rinsing with water. The knob 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. Provides comfortable grip. The slightly rounded shape allows for easy handling. The elegant and simple design offers 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. Thick and comfortable to hold, it is a practical choice for home use. The sleek black round shape complements 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.