Preppin’ Weapon is a handy sanding block made of Styrofoam core and high impact ABS that won’t break when dropped. Easy to grip for wet or dry sanding. Contoured to fit the shape of a hand and is sized to fit a 1⁄4” sheet of plain backed 8 x 11 sandpaper or a 2 3⁄4” wide file paper. It’s coil spring design holds single or multiple sheets equally tight and saves reloading time by stacking up to 4 sheets and tearing them away as the abrasive wears out. Save reloading time by using colors to indicate grits. Excellent for builders of aircraft, boats, cars, etc.