Cooker Hob Gas Burner Cap: providing compatibility with most medium gas cookers. Three Sizes: The small cap has a diameter of 55mm, the medium cap has a diameter of 75mm, and the large cap has a diameter of 100mm, ensuring a perfect fit for different burner sizes. Thickened Material: Made from iron , these burner covers are constructed with thickened material, enhancing durability and extending the service life. Enhanced Performance: The thickened material ensures even heat distribution, resulting in more efficient cooking and reduced cooking times. Easy to Install: With their precise dimensions, these burner covers can be easily installed on the gas burners of your cooker hob for immediate use. Part Name: Cooker Hob Gas Burner Cap Styles: Concave/Flat Colour:Black Material:iron Size: Small:55mm/2.16in Diameter, Medium:75mm/2.95in Diameter, Large:100mm/3.93in Diameter Package Contents: 4 x Cooker Hob Gas Burner Cap(100/75/75/55mm) Only the above package content, other products are not included. Note: Light reflection 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.