Fisch Precision Tools BDS99460 4-Inch/6-Inch 1/3-Horsepower Benchtop Belt/Disc Sander, 120-Volt 1 Phase Heavy cast iron base with rubber feet for stability Handy belt tracking knob 4" x 36" sanding belt can be positioned at any angle from 0 degrees to 90 degrees Belt runs at 2000 SF/M, great for hard or soft woods, end of belt can be used for contour sanding 6" sanding disk rotates to 3100 RPM