Milwaukee® Switch Terminal is designed for 4 1/2" angle grinders, 5" grinders, 125 mm dial speed super Magnum® grinders, 5" Magnum® sander/grinders, 4 1/2" super Magnum® sander/grinders, 4 1/2" Magnum® sander/grinders, angle grinder, grinder and 115 mm Magnum® grinder.