3M 20907-320 Sand Blaster Sanding Sponge 3-3/4 Inch By 2-5/8 Inch By 1 Inch 320 Grit
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Sanding sponges that are ideal for fine sanding between paint or varnish coats. Comprised of an electrostatically coated, self-sharpening aluminum oxide mineral for increased durability and worklife. Clog-resistant and flexible for fine sanding between paint or varnish coats. Tough foam backing will conform to contoured surfaces and resist tearing. Electrostatically coated, self-sharpening aluminum oxide mineral for increased durability, life. 320-gri t for final finishing, 180 for between coats. Color-coded gold (packaging/product) and imprinted with grit for easy selection. Wash to reuse.