Steelman Belt Sander includes a 3/8" (10mm) 120-grit sanding belt measuring 13"-long, with an operating speed of 16,000 RPM. This air-powered tool features 360 head rotation and a rear exhaust feature that directs air away from work areas. This product also features a built-in regulator and 1/4" air inlet (for 3/8" hose), running on 90 PSI of air pressure, with an air consumption of 14.2 CFM, and measuring 15-3/4" in overall length.