Black & Decker™ Gear Case is designed for 4 1/2" grinder, 4" and 4 1/2" angle grinder, 4 1/2" small angle grinder, 4 1/2" grinder snap on, plate joiner, ELU plate joiner, ELU flat dowel jointer, 4 1/2" sander/polisher, 4 1/2" sander/grinder and DeWalt® grinder, angle grinder, jointer plate and cordless cut off tool.