Specifications:32x11x6.1mm.|Compatible with C1, C2, C3 series vacuum cleaners to ensure efficient motor operation.|Restore suction performance: Replacing worn carbon brushes helps restore vacuum cleaner power and extend motor life.|Easy to install: No special tools are required, and old carbon brushes can be easily replaced, allowing the vacuum cleaner to quickly resume normal operation.|Suitable for daily maintenance: Regularly replacing carbon brushes can prevent motor damage and ensure long-term efficient operation of the vacuum cleaner.