Make from steel materials, ensures long terms durability and impressive for a dependable burn Crafted for Fireplaces grates in indoor fireplaces and outdoor pits, it prolongs burn time and maximizes heat output Our Fireplaces grate with retainer features a Meshes design builted to enhances airflows and promote combustion : None assembly is need, just place it on your Fireplaces grate and a cleaner space Designs to fit most fireplaces, our Fireplaces grate retainer promotes airflows, maximizing heating efficiency and reducing air output