Jewelers Rouge for Brass, Chrome, Stainless Steel, Gold, most Metals, and Plastics. This assortment is perfect for polishing most objects to a beautiful shine. For use with buffing machines and polishing wheels. A polishing compound chart on the back of the card shows the proper compound to use with each material. Polishing instructions are included as well.Includes:4 oz. bars of Black Emery, Brown Tripoli, White Rouge, and Red Jewelers Rouge4 oz. bars of Blue All-purpose polishing compound, and Green Stainless Steel polishing compound. Each bar measures approximately 1in. x 1in. x 5in.