3 Types 9 Pieces This value pack includes 3 different types of wire brushes for drills (cup, wheel and end brush). 9 wire brushes in 1 pack, great value High Qualityoffers premium wire brushes and plated copper wire brush for you. Wire brushes with brass coating for removing rust, corrosion and paint. 1/4' shank fits all drills. Hardened steel wire for reduced wire breakage and long life Reasonable DesignDesigned for easy access in tight holes and confined areas. Crimped style for light to medium duty applications, removes rust, scale and paint in hard to reach areas Wide ApplicationsThis drill bit set can be used on many different objects, such as flat surfaces, curved or uneven. They are best for metal polishing, wood polishing, metal rust removal or kitchen utensil cleaning NoteThe metal part of the wire brush set will leave marks after have been cut. This is a normal phenomenon, not a used secondary product. You can buy it with confidence, if you have any questions, please do not hesitate to contact us. We will respond within 24 hours