Dremel 3000 Motor Brush Cap - 9826 — widgetsupply.com
Dremel Rotary Tool Carbon Motor Brushes (for 100, 200, 275, 285, 300, 395, 595, and 6000) (Type 4, 5, 6) 90930 - The Home Depot
Replacement Brush Cover Dremel 4000 (1 per pac) - My Tool Store
Dremel 4000 Series 1.6 Amp Variable Speed Corded High Performance Rotary Tool Kit with 50 Accessories, 6 Attachments and Case 4000-6/50 - The Home Depot