Affordable and Durable 21-Piece Wire Wheel Brush Set: Wire brush set includes 21 pieces of wire brushes for household and industrial use, the wire wheel brush set is more cost-effective than buying from your local tool store. ENHANCED DURABILITY: All brush types in this set are coated with hardened steel plates for better retention of bristles. In addition to this design, the bristles are also reasonably curved to increase smoothness and flexibility during the process. 1/4inch HEX HANDLE DESIGN FOR IMPROVED STABILITY: Wire wheel brush attachments are easy to use, just attach them to your drill bit. The 6.35mm hex shank design makes it easier to secure the brush to the drill bit, preventing it from slipping off like round shanks. Additionally, the hex shank accommodates a wider range of drill bit types, including traditional power drills and pneumatic air drills. FOR VARIOUS SURFACES: The wire wheel brush set includes 7 sizes of drill brushes to meet the needs of homes, factories, wide spaces or tight areas. WIDE APPLICATION: This brush set includes pen, cup and wheel brushes. Can be used for rust removal, paint stripping, deburring, polishing surfaces, etc. Different sizes and types of brushes can work in various conditions, such as some small spaces, corners. It works great on both metal and wood. Material: Metal colour: As Shown Package Contents: 21 x wire brush(3 each of 7 sizes) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.