Makita 40V max XGT Brushless 1-1/8 in. Rotary Hammer (D-Handle) Kit, AFT, AWS Capable (4.0Ah) with bonus XGT 4.0Ah Battery GRH07M1W-BL4040 - The Home Depot
Makita Armature Assy 110v Ga7050/9050 517851-9 - Part Shop Direct
Buildalot Specialty Carbon Brushes 1914X_Makita_GA9050 for Makita GA9050 Powertools - With Automatic Stop, Spring, Cable and Connector - Replaces 191953-5, 191957-7, CB-203 & CB-204 - - Amazon.com