High Quality MaterialThe pot lid knobs are made of bakelite, a healthy fire and heat resistant material. The lid knob is made of heat resistant bakelite and the screw is made of stainless steel which will never rust. The high quality material is durable, greatly improving the service life of the pot handle cover, and the base is strong and stable. Easy to UseCleanOur pot handles are easy to clean. install with a retention screw for easy fixing, just put the right knob, rubber gasket and metal gasket, and screw. These universal pot handles are easy to clean with a damp cloth, our lid knob is dishwasher safe and can replace old or broken dials used. Ergonomic knobsThis universal pot handle with screws is an ergonomic designed knob, which has a smooth and thick rim without burrs, and won't be sharp to cut your hands, grip comfortably. Slightly round design of pot lid knobs for easy movement. The sleek and simple design can provide an efficient function next to your kitchen. All-match DesignThis is a replacement lid with a safe and large useful handle, you can easily Grasp the lid and a plastic handle can prevent your hand from hurting. 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 cooking styles. ApplicationsThe pot lid knobs for pot lids are suitable for many kinds of pot lids, such as pot lids. cooking pots, oil pots, frying pans, pot lids, pot lids, pot lids, glass pot lids and more. 4 pieces of the slow cooker knob set can meet your needs.