Amaco Rub 'n Buff Metallic Finishes Copper 1/2 oz. Tube. This lustrous metallic finish is for antiquing, crafts and decorating. Simply rub onto a surface with finger or soft cloth, then gently buff to reveal a beautiful, eye-catching luster. Whether you are restoring cherished antiques, stenciling, frame finishing, antiquing, experimenting with home decor or restoring treasured items, Ruff n' Buff will produce vibrant, reliable results!