SurfPrep 10mm ProFoam Hook & Loop Pads are an excellent choice for preparing any surface that requires consistent, even cutting, flat sanding. Use inside drawer boxes where manual hand sanding is a challenge or where discs sanders do not allow for full coverage into a corner. Pad will not load or pill. 3" x 4", Premium Red A/O). 10mm firm, Fine Grit (180-220). 6 holes. 25 pads per box.