Grizzly G0529 Oscillating Spindle/Disc Sander, 12-Inch We've combined the precision of an Oscillating Spindle Sander and a 12-Inch Disc Sander The Spindle Sander features 4 spindle sizes which utilize sleeves of sandpaper for easy changing availability and low cost The direct drive 1725 RPM 12-Inch Disc Sander yields excellent control without burning the work piece