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Calcium Silicon Board Sanding Sanding Machine Series

2.875 in. x 4.875 in. x 1 in. (7.30 cm x 12.38 cm x 2.54 cm) 120 Grit Fine Angled Drywall Sanding Sponge 3M Angle Sanding Sponges 2.875 in. x 4.875 3M Angle Sanding Sponges 2.875 in. x 4.875 in. x 1 in. are designed for wet or dry sanding on drywall. Use this fine-grit sponge for smoothing patch and repair on walls. 3M sanding sponges are designed for sanding on wood, paint, metal, plastic or ...