Material and durability Made from Bakelite and stainless steel. temperature resistant, wear resistant, insulated, sturdy and durable. Replaces many broken or wornout pot lid knobs. Size diameter: 5 cm (1.96 in) Bottom diameter: 6 cm (2.36 in) Height: 4 cm (1.57 in) Easy to install Includes the knob, a rubber washer, and a metal washer. To install, place the knob with the washers in the correct , tighten with screws, and finish in minutes. Ergonomic design and nonslip grip Ergonomic, nonslip grip provides a comfortable, secure hold on the lid knob. Lifting the lid firmly helps prevent accidental contact with hot surfaces and reduces the risk of burns. Use scenarios Replacing worn or broken knobs on common pots, saucepans, stock pots, and lids to restore safe handling. Upgrading older cookware in a busy kitchen for improved grip and safety. Restoring a damaged knob on a Dutch oven or other metal lid to extend the life of your cookware.