12 Steel Wire Cup Wheel Brush Set For Copper 6 Steel Wire Wheels With Mandrel This a new set of 6 steel wire wheels with mandrels Great for polishing and finishing metal Each measures approximately 7/8" (22 mm) in diameter The mandrel has a 1/8" (3 mm) shank 6 Steel Cup Brushes This is a new set of 6 steel wire cup brushes These are great for cleaning, polishing and producing special finishes Precision made excellent quality Use on white metals such as silver and aluminum Straight or lightly crimped wire produces a more pronounced finish and is used for cleaning, deburring and surface finishing Crimped wire achieves a softer or matte finish Each is mounted on a mandrel with a 1/8" (3 mm) shank Each brush head measures approximately 3/4" (19 mm) in diameter Newer versions of the item shown may be shipped, as a result, there may be a slight variation in color and design.