Durable and heat-resistant: The pan lid holders are made of bakelite and stainless steel, offering durability, sturdiness, heat resistance, and lightweight design. They are easy to clean and dishwasher safe, or can be wiped clean with a damp cloth after use. Size information: Each pot lid replacement knob measures approximately 6.4 cm (2.5 inches) in base diameter, 5.4 cm (2.1 inches) in upper diameter, and 3.5 cm (1.3 inches) in total length. The screw measures approximately 1.6 cm (0.6 inches) in diameter. The size provides a comfortable grip and secure fit. Easy to install: Simply attach the knob and included rubber gasket to the pot lid, then secure with the provided screws. Installation is quick and convenient, saving time and effort. Wide applications: These universal replacement knobs help prevent burns when handling hot lids and are compatible with various types of cookware lids, including kettles, oil pots, frying pans, pots, saucepans, and other kitchen lids. Material: Plastic Size: Diameter: 6.4 cm Package Contents: 4 x Pot lid knobs (rubber gaskets and screws included) Note: The actual product is not included. Color may vary slightly due to photography lighting and display differences. Measurement error allowance: +/- 1–3 cm.