3M 908NA Sanding Sponge, 3-3/4 in L, 2-5/8 in W, 60, 100 Grit, Fine, Medium, Aluminum Oxide Abrasive

3M Sanding Sponge, 3-3/4 in Length, 2-5/8 in Width, 1 in Thickness, 60, 100 Grit, Fine, Medium Grit Grade, Aluminum Oxide Abrasive, Applicable Materials: Drywall, Metal, Plastic, Wood Features: - Durable, long-lasting - Wet or dry use multiple applications - Flexible resin system long product life - Mineral stays on sponge when flexed - Flexible sponge material conforms to surfaces(contours), holds shape - Product reliability