3000 Grit Silicon CarbideSandpaper 5-1/2" x 9" Sheet (4000 Sheets), 4000PK It is best for metals (particularly harder metals) and is the only grain that can be used on glass, stone and marble..
Premium-quality aluminum oxide abrasive sheets for machine sanding or hand sanding. These sandpaper sheets are ideal for dry sanding and fast removal of paint, varnish or rust.