3M 909-ESF 3-3/4" x 2-5/8" x 1" M/C Sanding Sponge

Soft foam sponge with sanding abrasive coating on three sides of block foam. Woodworking product designed for contour and flat sanding. 3-3/4" x 2-5/8" x 1". medium grit on one side, coarse grit on other side. The up of the product is 051131500372.