Gator 4258 Precut Drywall Sanding Screen, 120 Grit, 4.25" x 11.25"Use 120 grit drywall sanding screen for light sanding and feathering of drywall joint compounds. Its also ideal for moderate scuff sanding of painted interior walls before repainting. Sharp, fast cutting silicon carbide grain produces a smoother finish on drywall. The open mesh allows dust and particles to pass through to reduce clogging. Dual sided abrasive surfaces for twice the life. The waterproof screen can be rinsed clean with water and reused.