Material: The pot lid knob replacement handle is made of bakelite, a heat-resistant and durable material. The screw is made of stainless steel, which resists rust. This construction enhances the service life of the pan handle cover, with a strong and stable base. Easy to Use and Clean: These saucepan handle covers are easy to install using the included retention screw. Simply place the button, rubber seal, and metal joint, then secure with the screw. They are easy to clean with a damp cloth and are dishwasher safe. They can replace old or broken lid knobs. Ergonomic Design: The knob features an ergonomic shape with a smooth, thick rim and no burrs, ensuring comfortable grip and safe handling. Its slightly rounded design allows for easy movement. The elegant, simple style complements any kitchen. Universal Fit: This replacement lid knob provides a safe, large, and comfortable grip. The thick, comfortable material prevents hand fatigue. The sleek black, round design matches various cookware styles and kitchen decors. Compatibility: These replacement knobs fit many types of cookware lids, including kettles, oil pots, frying pans, saucepans, casseroles, and glass lids. The set includes 4 knobs, offering ample replacements and backups.