Black & Decker™ Washer is designed for 4 1/2" grinder, small angle grinder, die grinder, M/S 4 1/2" angle grinder, 4" angle grinder, 4 1/2" grinder with snap on, 4 1/2" small angle grinder, plate joiners, ELU plate joiners, ELU flat dowel jointer, 4 1/2" sander/polisher, DeWalt® jointer plates, cordless cut off tool, angle grinders and 14.4 V and 18 V plate joiners.