Durable and heat-resistant: the pan lid holding s are made of bakelite and stainless steel material, durable and sturdy, heat-resistance and lightweight, easy to clean and dishwasher safe, you can also just use wet cloth to clean it after useSize information: each pot lid replacement knob size is approx. 6.4 cm/ 2.5 inches in base diameter, 5.4 cm/ 2.1 inches in upper diameter, 3.5 cm/ 1.3 inches in total length, the screw size is approx. 1.6 cm/ 0.6 inches in diameter, proper size for comfortable gripping, not easy to fall offEasy to install: just attach the knob and rubber gasket to the pot lid, then use screws (included) to fix them, finish the installation in minutes, convenient for you to operate, save your time and effortWide applications: the universal kitchen cookware lid replacement knob works well at preventing the hot lids from burning your hands, suitable for most kinds of cookware lids, such as kettle, oil pot, frying pan, pot lids, saucepan lids, pan lids and so on ur: Material:plasticSize:Diameter: 6.4cmPackage Contents:4 x Pot lid knobs (compatible rubber gasket and screws included) the above package content, products are not included.Note: shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.