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 knob, 6 x screw, 6 x matching washer High-quality material ensures durability and significantly extends 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 existing pot lid and tighten the screws by hand. Clean the lid knobs by wiping with a damp cloth or rinsing with water. The knobs are corrosion-resistant. Ergonomic design: Features a smooth, thick rim with no burrs, preventing sharp edges that could cut hands. The slightly rounded shape allows for comfortable grip and easy handling. The elegant and simple design complements any kitchen. Universal fit: This replacement lid knob has a large, safe handle that is easy to grip. The plastic handle helps prevent burns. The thick, comfortable design fits securely in hand and suits various pot styles. The sleek black round shape matches different types of cookware and kitchen decor. Compatible with various cookware lid types, including kettles, oil pots, frying pans, saucepans, casseroles, glass lids, and other pot lids.