3m Marine Fine Sanding Sponges 20/Box 2604

Provides flexibility and conformability to allow for sanding by hand in areas inaccessible to machine sanding. They feature aluminum oxide mineral coating on a foam pad with a waterproof bonding system. Can be used either wet or dry when sanding on wood, fiberglass/gelcoat, marine paints, metals and plastic. 4-1/2" x 5-1/2".

MFG# 2604 UPC# 30051131026040