Gator 4260 Precut Drywall Sanding Screen, 80 Grit, 4.25" x 11.25"Sanding Screen is the perfect abrasive product that you want to use to sand and feather drywall joint compounds and spackling to prepare wall surfaces for painting. Sanding screens are also ideal for scuffing painted 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 longer life turn sheet