Material This pot lid knob replacement handle is made of bakelite, a heat-resistant material. The knob of the lid is made of heat-resistant bakelite and the screw is made of stainless steel which is resistant to rust. The material is durable, greatly improving the service life of the pan handle cover and the base is strong and stable. Easy to Use and Clean Our saucepan handle covers are easy to install with retention screws for easy fixing. Simply assemble the knob, the rubber seal, and the metal joint, then screw into place. These pan handle covers are easy to clean with a damp cloth. Our lid knob is suitable for the dishwasher and can replace the old or broken knobs. Ergonomic Knobs This pot lid cover knob handle with screws is designed as an ergonomic knob, which has a smooth thick rim with no burrs and will not be sharp to cause injury to your hands. It grips comfortably. The slightly round design of the pan lid knobs is for easy lifting. The elegant and simple design fits well in your kitchen. Versatile Design This is a replacement lid knob with a useful handle, safe and large, allowing for easy gripping of the lid. The material is thick, easy to grip, and comfortable in the hand. The black and round shapes match various styles of pots and kitchen designs. Applications The replacement knobs for pan lids are suitable for many kinds of cookware pot lid covers, such as kettles, oil pots, frying pans, pot lids, saucepan lids, pan lids, casserole glass lid pots and more. A 4-piece set of cooking pot knobs can meet your needs for replacement and can also be applied as a backup.