Mercer Abrasives 182020B-20 Crimped Wire Wheels For Drills and Die Grinders 2-Inch by 1/4-Inch Shank, 20-Pack Crimped wire wheels for drills and die grinders 2-Inch by 1/4-Inch shank Wire Type: 0.014 Carbon Steel 20-Pack Wire brushes available in all different styles and sizes