Autotoolhome Black Right Angle Driver 90 Dgree Rotary Tool Attachment Fit For Dremel 4000 3000 275 8100 Electric Grinder - Power Tool Accessories - AliExpress
Parts :: Dremel :: Dremel 4000 Spare Part Number 812 - Motor Brushes 2610005646 IS
Repairing a Dremel 4000 : 16 Steps - Instructables