3M SUPERFINE SANDING SPONGE 20/BX 700000

3M SUPERFINE SANDING SPONGE 20/BX 700000 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.Description: Superfine, Grade: 500-600, Quantity: 20, Size: 4-1/2" x 5-1/2":. This item is sold by JMSOnline.net, providing quality marine products and excellent customer service to our valued federal clients.