FR12: 12" Double Fire Ring w 1/2" Female Hub & Plug 316 Stainless (not lessor 304) Life warranty; Lifetime Burners all 316 Stainless (not Lessor 304). See EasyFirePits.com Gallery! 316 Marine Grade Stainless Fire Rings w/ Center 1/2" Female Hub and Included Plug WHEN QUALITY MATTERS! Lifetime Works or we Replace it Guarantee on our Fire Rings Fire Rings Can Be Mounted Up or Down Depending on Your Preferences (Propane Best Mounted UP). Can Be Used Alone or to Start Wood Burning Fireplaces Also Available in 6" Fire Ring as a Single Ring Fire Ring, or in 12", 18", 24" and 36" as Double Ring Fire Rings See our LP and Nat Gas Complete Basic and Deluxe Kits; CK (Compete Basic LP Kits), CK+ (Complete LP Deluxe Kits with Key Valve Control), ITCK+ (In Table LP Tank/ Wine Barrel Kits) and K++ (Pre Plumbed Gas Kit)