The Outdoor Plus OPT-48RM-LP 48" Hammered Copper Liquid Propane Match Lit Martillo Fire Pit. The Martillo copper fire pit draws influence from Spanish-Style architecture; it’s a great outdoor piece for any home built with elements of the Spanish-Colonial Revival Style. Our Fire Pits are individually handmade and proudly manufactured in the U.S.A.; they’re durable and long-lasting in a variety of environments. Because of its handmade nature slight variations in color and texture may occur.