Mercer Abrasives 182020-12 Crimped Wire Wheels For Drills and Die Grinders 2-Inch by 1/4-Inch Shank, 12-Pack Crimped wire wheels for drills and die grinders 2-Inch by 1/4-Inch shank Wire Type: 0.014 Carbon Steel 12-Pack Wire brushes available in all different styles and sizes