1, WHAT YOU GET : 3Pcs 3Inch 75mm Abrasive Nylon Wheel Brush Set for removal of rust, corrosion and paint. 1/4 inch shank fits all drills. 2, THAN WIRE BRUSHES --- to use than wire brushes, SYNTHETIC, Nylon Bristles are extremely safe and softest yet sturdiest Bristle integrity with outstanding bend recovery after continued and prolonged use. 3, HIGH QUALITY: it offers design for coarse brushing preparation, heavy grout removal, polishing and scrubbing, this Nylon Cup Brush is gentle on all materials and made from nylon for maximal user safety, gentle cleaning & extended brush use. 4, APPLICATION WIDELY: Nylon Brush kit is an All-Material-In-1, safe and rust and paint remover and cleaner on ALL wet or dry applications like Metal, Steel, Stainless Steel, Wood, Aluminum, Plastic, PVC, Tiles, Stones and more, while maintaining its bristle integrity after extended use. 5, DESIGN REASONABLE: Designed for easy access into narrow holes and confined areas. Crimped style for light to medium