The Delta Gas Stove Part O Ring Are Madeup Of Stainless Steel, It Also Known As Burner O Ring, It Has 4 Sizes In The Market Such As 70 Mm For Small Burner, 80 Mm For Big Burner, 85 Mm For Medium Burner And 92 Mm For Jumbo Burner. In This Product Variation We Are Include Stainless Steel O Ring Pack Of 3 Pcs. Which Are Suitable For 70 Mm For Small Burner, 80 Mm For Big Burner And 90 Mm For Jumbo Burner For 3 Burner Gas Stove. These Gas Stove Stainless Steel O Rings, Burner O Ring Makes Your Stove Looks Good. It Helps To Keep Drip Tray Clean And It Prevent Transfer Excess Heat Of Flame To Glass Top Surface Of Gas Stove. Our All Product Are 100 % Checked And Tested As Per Standard By Skilled Personal. So That Our Product Are Competible With All Branded Gas Stove