12 pieces of Hook and Loop Sandpaper includes 60, 120, 240 grit sandpaper for efficient sanding of hardwood, softwood, metal and other materials * 3-1/8-Inch triangular designed Hook and Loop design allows for quick, convenient removal and changing of sanding paper * Triangular design helps reach tight corners for efficient removal of material * Primarily used for "Grinding/Sanding" with your Oscillating Tool * Genesis Universal Quick-Fit Oscillating Tool Accessories fit most standard AND tool-free oscillating tools, including the popular Genesis GMT15A