Product size: The carbon brush size of this product is 15mm long, 10mm wide, and 6mm thick. Manual measurements, please allow slight errors. Compatibility: This product is Compatible with Clarke CP180 sander and polisher. Easy to install: Direct replacement without adjustment, perfect compatibility, high reliability. Product material: This product is specially designed and made of metal material, with high service life and not easy to damage. Product list: Product include a total of 4pcs Carbon Brushes, which can completely meet your daily use needs and replacement., Manufacturer: eMagTech