Safer than wire brushes, this synthetic, chemical-resistant nylon bristle brush is extremely safe and will not spark, corrode, rust, shed, or puncture skin, unlike abrasive metal or steel brushes. Features the industry's softest yet sturdiest bristle integrity with outstanding bend recovery after continued and prolonged use.High quality: Designed for coarse brushing preparation, heavy grout removal, polishing, and scrubbing. This nylon cup brush is gentle on all materials and made from top-quality nylon for maximum user safety, gentle cleaning, and extended brush life.Wide application: This nylon brush kit is suitable for all materials and safely removes rust and paint while cleaning both wet and dry surfaces on metal, steel, stainless steel, wood, aluminum, plastic, PVC, tiles, stone, and more, while maintaining bristle integrity after extended use.Thoughtful design: Engineered for easy access into narrow holes and confined areas. Crimped style for light to medium-duty applications. Removes rust, scale, and paint in hard-to-reach areas. Nylon cup and wheel abrasive brushes feature 1/4 inch hex shanks, compatible with most drills and impact drivers.Color: Red Material: Nylon + metal Package contents: 1 x 4 inch (100mm) nylon circular wheel brush 1 x 3 inch (75mm) nylon circular wheel brush 1 x 2 inch (50mm) nylon circular wheel brush 1 x 2 inch (50mm) nylon wire cup brush 1 x 3 inch (75mm) nylon wire cup brush 1 x 1 inch (25mm) nylon wire end brush Note: The package includes only the items listed above. Other products are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3 cm.