Sanding Sponges - Softback 03808 4.5IN x 5.5IN Medium 20/BX 200/CS

3M™ Softback Sanding Sponges 03808 can be used wet or dry when sanding on wood, fibreglass/gel coat, marine paints, metals and plastics. Coated with aluminum oxide, they are flexible and conformable to allow for hand sanding in areas inaccessible to machine sanders. Medium ranges from grade 120 to 180 grit.