This industrial-duty air grinder has a safety lever and includes a spanner, a hex key, and a pin wrench. It is a vertical grinder with a free speed of 6,000 RPM and a required pressure of 90 PSI. It has a horsepower of 4.5 and an overall length of 9 13/16 inches. It has an air inlet of 1/2-inch. Its minimum hose size and spindle size are 5/8 inches. Its handle is made of composite and it has a wheel diameter of nine inches.