3M – Softback Sanding Sponge – Fine – 4 1/2 inch x 5 1/2 inch – 20 Pack – 02604

Description

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.