Mirka 1355-180B 4-1/2" x 5-1/2" x 1/4" 180 Grit Single-Sided Abrasive Sponge, 250 Piece

The sanding sponge features abrasive on one side, offering durability that surpasses sandpaper. It is specifically designed for effectively stripping old finishes and is well-suited for manual sanding of contours.