Al's Liner ALS-6CB 6 Inch Abrasive Nylon Bristle Cup Brush, 180 Grit Great for a variety of uses, including Truck Bed Prep, Paint Stripping, and more Works great on Aluminum, Metal, Wood, and Plastic surfaces It will not spark when used on metal Lasts up to 10 times longer than a wire brush It will not clog or rust; It will maintain its shape; 5/8" Arbor Easily cleans and polishes wood, metal, surface rust, corrosion, and much more