Carvers Olde Iron (COI) is our new brand banner name for DC Mach Inc. Looking for the perfect cast iron décor? Or for crafting supplies? Our variety of cast iron pieces bring a rustic feel to any room. For crafters we make 8 sizes of horseshoes that should fit any project you can dream up. We also carry many sizes of galvanized buckets, standing ashtrays, and other home decor.