Material: Heat-resistant bakelite + stainless steel Size: 6.4 cm x 2.5 cm Applicable aperture: 5 mm - 12 mm Package list: 6 x lid button 6 x screw 6 x 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: 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 compatible withcomfortable grip and easy handling. The elegant and simple design provides effective functionality in any kitchen. Universal fit: This replacement lid knob has a safe, large handle compatible witheasy gripping. The plastic handle helps prevent hand injuries. The thick, comfortable design fits well in hand and suits various pot styles. The sleek black round shape matches different types of cookware and kitchen decor. Applications: Suitable compatible withvarious cookware lid types, including kettles, oil pots, frying pans, saucepans, casseroles, glass lids, and other pot lids.