koatukys cb440 carbon brush for makita models 195021-6, 194427-5 and 194159-4 (2/pack)
Amazon.com: 4 PCS CB440 Carbon Motor Brushes Compatible for CB-440 / CB-448 / CB-436 / 195021-6 / 194427-5 /194159-4, Replacement Part for Electric Tools : Tools & Home Improvement
Makita CB-440 Carbon Brush Set For Most Makita 18V Cordless Tools 3x10x13.5mm | eBay