3M™ Softback 4-1/2" x 5-1/2" Ultrafine Sanding Sponge - 20 Sponges per Box 2601

Features and Benefits:

• Ultrafine grade 800-1000
• Provide flexibility and conformability to allow for sanding by hand in areas inaccessible to machine sanders
• Use wet or dry when sanding on wood fiberglass/gelcoat, marine paints, metals and plastics
• Abrasive Mineral type: Aluminum Oxide