The Makita T-03894 Type 29 Angled Grinding and Polishing Flap-Disc is a high-quality abrasive wheel designed for metalworking tasks. With a grit of 40 and a 4 1/2" wheel diameter, this flap-disc is perfect for grinding and polishing various metal surfaces. Makita is a trusted brand known for producing reliable and durable tools, making this product a valuable addition to any workshop or fabrication facility.