Black Jewelers Rouge For Polishing Brass, Copper And Pewter. This a new bar of black jewelers rouge. Used to polish Aluminum, brass, copper, iron, pewter, nickel steel and stainless steel. Perfect for jewelers, crafters and students. We work hard to update our descriptions and pictures of our merchandise. As part of a process of ongoing innovation by our suppliers, newer versions of the item shown may be shipped before we are able to complete an update. As a result there may be a slight variation in color and design.