- Durable zinc alloy construction provides stability and long lasting use. It ensures even flame distribution and makes it easy to remove grease and food stains from gas range burner covers after cooking. - Precise burner head design distributes gas through holes or slots to create an even flame over the entire cooking area. Each part is rigorously tested to ensure safe use. - Complete set includes 6 burner hoods and 5 flame diffusers. Sizes offered include 1 inch, 3.93 inch, 2.95 inch x 2, and 2.16 inch diameter to ensure a perfect fit for burner accessories. - Easy installation for gas stoves. Simply remove the old parts and replace them with this set for quick upgrading and compatibility. - Use scenarios - After cooking greasy or sauces rich meals, replace worn burner covers to restore cleanliness and ease of maintenance. - On a multi burner gas range, use the range hood and diffusers to achieve more even cooking across different pan sizes. - During kitchen upgrades or renovations, replace old components with this compatible set to maintain consistent flame performance and fit.