The SALI wire knotted cup brushes are a necessity for your metalworking needs. The removal and cleaning power of these will be an asset to your next project. These brushes will help with the removal of the following surfaces: Rust Paint Spatter Weld scale Burrs Other debris CRIMPED WIRE CUP BRUSH Industrial Grade PerformanceSALI's Crimped Wire Cup Brushes provide durable, high performance cleaning action and consistent performance for light-duty cleaning applications. The brushes' footprint makes them ideal for large, relatively flat surfaces. Available in a 5/8"-11 nut for use on right angle grinders. CRIMPED WIRE CUP BRUSH Industrial Grade PerformanceSALI's Crimped Wire Cup Brushes provide durable, high performance cleaning action and consistent performance for light-duty cleaning applications. The brushes' footprint makes them ideal for large, relatively flat surfaces. Available in a 5/8"-11 nut for use on right angle grinders. CRIMPED WIRE CUP BRUSH Industrial Grade PerformanceSALI's Crimped Wire Cup Brushes provide durable, high performance cleaning action and consistent performance for light-duty cleaning applications. The brushes' footprint makes them ideal for large, relatively flat surfaces. Available in a 5/8"-11 nut for use on right angle grinders. Ideally suited for cleaning castings, structural steel and sheet metal. The cup brush has a universal arbor to fit most grinders and a powder coat finish that resists rust and corrosion. Made of steel for wire brushing on steel material.