8piece universal cooker hat set. Includes 4 burner crown flame caps and 4 corresponding burner plates, designed to fit most cookware burners. This economical replacement or supplementary accessory helps maintain the performance and longevity of your stovetop. Key benefits Restores and maintains flame quality and heat distribution by replacing worn or damaged crown flame caps and plates. Economical and convenient upgrade or backup for everyday use. Easy, safe installation with no special tools required; precise fit and simple setup, suitable for frequent removal for cleaning or replacement. Installation and safety Installation is effortless and safe. Let the stove cool down before replacing parts to prevent scalding. No special tools needed. The set offers an exact fit and easy setup, even with frequent removal and mounting for cleaning or replacement. Compatibility and sizing The cooker hat set can be snugly fitted on most stove burners. To avoid sizing issues, measure your burners before ordering. Available diameters for caps and plates: 3.93 inches, 2.95 inches, and 2.17 inches. Use scenarios Replacement: swap worn crown flame caps and plates to restore burner performance and efficiency. Multisize cookware: use as a versatile kit when cooking with various pot and pan sizes, or when multiple burners are in use. Maintenance and cleaning: remove and reinstall easily for routine cleaning or parts replacement without tools.