3M SandBlaster Wall Sand

3M(TM) SandBlaster(TM) Wall Sanding Sponge 440-150, 2.6 in x 2.8 in (6.7 cm x 9.5 cm) 150 grit The 3M(TM) SandBlaster(TM) wall sanding sponge makes sanding spackle, paint drips or other minor imperfections when painting fast and easy. The sponge features two unique surfaces, one sands and one cleans.