Norton WallSand 1222 Die-Cut Sandscreen, 11 in L, 3-5/16 in W, 150 Grit, Fine, Silicon Carbide Abrasive

For sanding drywall compound and patching plaster prior to priming. Waterproof screen resists clogging because of its open mesh design. Just rinse and reuse. Paper sheets are the standard economical choice.