Our kit includes: 2 types of cup brushes (1.96inch and 2.95inch ); 4 types of wheel brushes (1.49inch ,1.96inch ,2.95inch and 3.94inch ); 6 types of end brushes (0.62inch ,0.39inch ,0.63inch ,0.79inch ,0.98inch and 1.18inch ). There are 2 brushes of each size, 24 pieces set in total The drill accessories and attachments are made of densely wrapped carbon steel wire bristles, with high elasticity and temperature resistance. Meanwhile,the brass coating can protect drill wire brush from damage, rust and Our wire brush drill attachments can be used for metal, steel, cork, plastic PVC and ceramic tiles, etc; Used for cleaning, deburring, rust removal, edge grinding, descaling, paint removal, welding and polishing, helping you solve different problems The drill wire wheel is designed to quickly connect with electric drill or other tools, making it easy to replace and install. The wire wheels are tightly arranged, capable of withstanding high-speed operation at 4500 revolutions per minute, with a maximum speed of 20000 RPM Brass brush for drill is not easy to break or deform and does not easily generate , making it relatively safe. However, still recommended to wear protective goggles and masks when using drill wire brush to avoid damage from splashes and dust Colour:As Shown Material:Carbon Steel Package Contents: 1 set x attachment 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.