3M FINE SANDING SPONGES 20/BOX 700000058

3M FINE SANDING SPONGES 20/BOX 700000058 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: Fine, Grade: 320-400, 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.