Available in grades 1000-2500, 5 1/2 inch x 9 inch sheets, Silicon Carbide mineral on a A weight paper backing. Designed to be used with water but can be used dry. Applications: Grades 1000-2500 are designed to remove dust nibs, runs, and excess orange peel from topcoat finishes. When used with water this product cuts fast, lasts long, resists loading and leaves behind a consistent scratch easily removed by compounding.