specification 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 MaterialThe high-quality material is durable greatly improving the service life of the pan handle cover and the base is strong and stable. Easy to UseCleanthe set contains 6 pieces of screw and 6 pieces of stainless steel washer. All you have to do is put the lid knob on the old pot lid and tighten the screws manually. all you need to do is wipe the oil stains in replacement lid buttons with a damp cloth or rinse directly with water. This lid button is corrosion-resistant. Ergonomic KnobsThis pot lid cover knob handle with screws is designed ergonomic knob, which has smooth thick rim with no burrs, and wont be sharp to cut your hands, grip on comfortably. Slightly round design of the pan lid knobs for easily moving. The elegant and simple design can provide effective function next to your kitchen. All-match DesignThis is a replacement lid with a useful handle safe and large, you can easy gripping the lid and a plastic handle can prevent your hand from hurt. The material is thick easy to grip and comfortable in the hand it is an essential choice for your home life. The beautiful black and round shapes match various styles of pots and kitchen styles. ApplicationsThe replacement knobs for pan lids are suitable for many kinds of cookware pot lid covers, such as kettle, oil pot, frying pan, pot lids, saucepan lids, pan lids, casserole glass lid pot and more.