3M SandBlaster 3-3/4 in. L x 2-1/2 in. W x 1 in. 320 Grit Fine Flat Surface Sanding Sponge - 1183375
3M(TM) SandBlaster(TM) between coats sanding sponges, 20907-320, fine 320, sleeved, 2.5 inch x 3.75 inch x 1 inch, 12/cs, open stock. The 3M(TM) SandBlaster(TM) between coats sanding sponge is is ideal for sanding between coats of finish on freshly coated surfaces, such as wood and metal. Use it to smooth surface imperfections prior to the first topcoat application. Block sanding sponges are recommended for flat or slightly contoured surfaces. 3M(TM) SandBlaster(TM) fine sanding sponges finish fast, last long and are clog resistant.