3M 917DC-NA 4-1/2" x 5-1/2" x 3/16" Fine Thin Contour Softback Sand Sponge

3M 917DCNA sanding sponge. Comes in a fine abrasive grade. The sanding sponge has a width of 4 1/2 in and length of 5 1/2 in. In addition to the other aspects of these parts, another important component of these is the thickness. This 3M part has an overall thickness of 3/16 in.