General description High-quality copper carbon brushes CB440 are robust and durable, featuring low stability and activity, which prevents corrosion and ensures a long lifespan. These carbon brushes are among the most widely used in the industry. Technical specifications Material: Copper Dimensions: 13x10x3 mm Compatibility and accessories Compatible with Makita models: BDF440, BFR440, BFR550, BFR750, BDA340, BDA351, and others Includes: 4 carbon brushes for replacement and daily maintenance Usage Restores electric braking of electric motors (CB-440, CB-448, CB-436, 195021-6, 194427-5, and 194159-4) to extend machine lifespan Replaces carbon brushes to fix intermittent motors, saving time and money Inspect the armature for signs of burning, cracking, or other damage when replacing carbon brushes Other information Note: Please check the part number to ensure compatibility before purchasing