3M SandBlaster Dual Angle 2-1/2 In. x 4-1/2 In. x 1 In. 100 Grit Medium Sanding Sponge

Lasts 5 times longer and sands faster than 3M conventional sponges of comparable grit. Ideal for preparing bare surfaces of wood, metal, and drywall prior to the first coat of finish. Coated to resist clogging and build-up.