The belt drive has 360 degrees of adjustability. It even gets into areas that other sanders can’t. The Belt Sander use 90 psi of air pressure to deliver 18,000 RPM of free speed. The sander comes with three belts, 60 grit (course). 80 grit (medium) and 120 grit (fine) and 2 Allen keys for quick and easy changes and sanding angle adjustment. This Belt Sander also comes with a 24 Month Manufacturer’s warranty.