Fire Rings at Lowes.com
Fire Pit Ring 36-Inch Outer/30-Inch Inner Diameter, Fire Pit Insert 3.0mm Thick Heavy Duty Solid Steel, Fire Pit Liner DIY Campfire Ring Above or In-Ground for Outdoor. Model # SKHP36X30X10YC001V0. 9. • Made of durable Q235 steel with 2.5 mm thickness, which increases the sturdiness and can be used for long time.