Right Angle Drive, For Use With 100, 200, 275, 285, 300, 3000, 395, 398, 400, 4000, 4200, 800, 8100, 8200, 8220, Dremel Models: 4300, Application Cutting, Grinding, Features Coupling System Allows you to Rotate the Attachment On your Tool, Includes Coupling System Allows you to Rotate the Attachment On your Tool