... making grinding and polishing treatment. They are easily cleaned by water, dried by air for reuse. Specification: Grits Size: ... P36-P600Grain: SILICON CARBIDE, ALUMINUM OXIDE Sanding Screen Sheet Size: 3-5/16 x 11, 3-2/3x11 ... 4x5-1/2, 4-3/16x11, 9 x 11Sanding Screen Disc size: 13",14",15",16",17",18",19",20 ... ",21",22",23",24"Sanding Screen Roll size: Width: 1, 1-1/2, 2, ...