Product size: The carbon brush size of this product is 6.75mm high, 17mm long, and 17mm wide. Manual measurements, please allow slight errors. Compatibility: This product is compatible with Freerider Kensington Westminster scooters before 2008. Product material: This product is specially designed with 44% copper material, which has a long service life and is not easy to damage. Easy to install: It can be directly replaced without adjustment, with perfect compatibility and high reliability. Product list: Product include a total of 4pcs Carbon Brushes, which can completely meet your daily use needs and replacement., Manufacturer: The Lord of the Tools