This is a brand name NEW, still in initial box, Pampered Chef MEAT TENDERIZER. It includes 2 pieces that will disassemple. It is chrome-plated zinc that has a reversible disk. Use one side of the disc "the toothed" side to tenderize meats like steak and chicken. The other side of the disc is "the smooth" side to pound pork into cutlets, crush crackers, garlic, nuts, and so on. It disassemples extremely easily and is dishwasher safe. It is 6 inches for easy storage.