General description 9-pack premium quality long-lasting abrasive filament nylon wire-bristle drill wheel and cup brush set with 1/4 inch hexagon drill shank arbors. These brushes are extremely safe to use, as they will not spark, corrode, rust, shed, or puncture skin. They are designed to quickly and easily remove rust and corrosion, as well as sand, scuff, and deburr various surfaces including metal, wood, plastic, and ceramic. The nylon strands are embedded with coarse abrasive grit, which continues to expose fresh grit as they wear down, ensuring consistent performance over time. Technical specifications Material: Nylon Size: 3 sizes Shank size: 1/4 inch hex Measurement allowed error: +/- 1-3 cm Compatibility and accessories Fits all drills and impact drivers Usage Suitable for removing rust, scale, and paint Effective on metal, steel, stainless steel, wood, aluminum, plastic, PVC, tiles, stones, and more Can be used for both wet and dry applications Other information Note: Light