1.This twisted wire cup brush is designed to scour metal, making it perfect for cleaning weld beads, deburring machined surfaces, and removing sharp edges from sheet metal. 2.The cup brush has a universal arbor to fit most grinders and a powder coat finish that resists rust and corrosion. 3. arbor fits most 4 in. to 4-1/2 in. grinders, Max RPM 12,500. Ensure the balance and smooth performance 4.High-quality carbon steel wire is 100% inspected to meet demanding quality specifications 5.Removes rust, scale and weld splatter, ideal for heavy-duty, aggressive surfaces, soft wood, hand wood materials, surface paint peeling and grinding Item Weight 2.5 pounds Materialsteel Steel Max RPM 12500 3 inch Cup Brush Item Weight 2.5 pounds Materialsteel Steel Max RPM 12500
