The "New Warrior 4-1/2" Grinding Wheel with 24 Grit is a high-quality abrasive wheel made of aluminum oxide, designed for use in metalworking applications. With a maximum speed of 13,200 RPM, this grinding wheel is suitable for precision grinding and shaping of various metal surfaces. The durable construction and reliable performance make it a valuable tool for professionals in the CNC, metalworking, and manufacturing industries. The RPM brand ensures a trusted and reliable product for all your grinding needs.