1.5mm High-Temp Steel:; Made from thick, rust-resistant powder-coated steel, built to withstand extreme heat and all weather conditions.DIY Friendly:; Easy to assemble with included screws, allowing you to customize your fire pit ring.Optimal Burning:; Large 39″ inner diameter and 45″ outer diameter create uniform flames with an 11ft heating radius.Versatile Use:; Can be installed above ground or in-ground, perfect for gardens, patios, or campsites with controlled fire safety.