The Package Includes: 36 Sets Of Mini-Size Wire Brushes, 12 * Wheel Brushes, 12 * Cup Brushes, 12 * Brushes, Which Can Meet Your Different Needs, Both Economical And Practical. High Quality : This Copper Brush Kit Is Made Of High Quality Brass And Steel Material, Which Is Environmentally Friendly, Durable And Long Lasting. It Is Ideal For Rust Removal, Paint Removal, Material Removal, Deburring Sharp Edges, Blending Edges, Etc. Function: The Brush Can Quickly Remove Burrs , Dust, Rust, Remove Oxide Layer, Plating Layer, Can Improve The Quality Of Metal Stone. High-Quality Wire Brushes Can Provide You With Long-Term Service In The Toughest Cleaning Jobs. Widely Used: Suitable For Wood, Metal And Other Materials, Polishing And Grinding Various Surfaces Rough At Different Angles, Easy To Get Into Narrow Holes And Narrow Areas. Suitable For: Compatible With Electric Drills, Electric Grinders And Overhead Grinders With A Chuck Diameter Of About 3Mm / 0.12 Thumb, And A Drill With A 3Mm Collet. Widely Used In Microelectronic Equipment And Other Industries.