Product Info Catalog Abrasives Brush Wire 3-Inch Fine Crimped Wire Cup Brush 3-Inch Fine Crimped Wire Cup Brush Request a Quote UPC: 52088042557 SKU: 842677 Model Number: 842677 Master Mechanic, 3" Fine Utility Crimped Wire Cup Brush, 1/4 Shank, For Use On Electrical Tools As Well As Drill Presses. 3,000 RPM Maximum Speed.