3M 20908-100 SandBlaster Bare Surfaces Sanding Sponges - 100 Grit

• Measures 2-1/2" x 3-3/4" x 1"
• Ideal for preparing bare surfaces (wood, metal, drywall) prior to first coat of finish

These sanding sponges allow easy surface preparation for bare wood, metal or drywall. Made of an electrostatically coated ceramic aluminum oxide mineral blend for increased durability and worklife. 3M Sandblaster Sanding Sponges cut 3 times more than conventional sanding sponges in the same amount of time. Patented coating surface resists clogging. Tough foam backing resists tearing. Use wet or dry. Washable.