Preppin weapon. Known as the "prepping’ weapon" For years in the automotive industry This versatile sanding tool is now being made available to woodworkers. Made from high-impact ABS plastic and sized to fit a 1/4 sheet of plain-backed 9" X 11" Sandpaper, its design can cut sandpaper waste by up to 36%. spring clip design holds single or multiple sheets of sandpaper equally tight. Save time by stacking up to 4 sheets & tearing them away one by one.