Knot-Twisted Saucer Cup Wire Wheel, 5" Dia., 0.02" Fill, 5/8"-11 Arbor, Aluminum/Stainless SteelBrushes combine the advantages of both wire cup and wire wheel brushes Features a unique saucer cup shape, built in working angle of 45, which allows them to work in hard to reach areas Fast, aggressive, and smooth brushing action Tightly knotted for maximum impact and long brush life For surface cleaning such as removing paint, rust and corrosion Brush Diameter: 5" Fill Diameter: 0. 02" Application Type: Stainless Steel Aluminum Arbor Size: 5 8" 11