Blue All Purpose - Jewelers Rouge (5" x 1") 4oz Bar Blue All Purpose Rouge Acrylics, Aluminum, Brass, Copper, Gold, Iron, Nickel, Pewter, Platinum, Silver Plate Sterling Silver Plate, Steel, Nickel Plate, Chrome Plate, Brass Plate, Copper Plate Stainless Steel, Thermosetting (Bakelite, Formica), Hard Rubber, Horn, Wood Specifications: 5" x 1" x 1"; 4oz