... -size,countertop,vanity-top,etc Imperial Brown Granite Tiles1. Granite tiles: 305*305*10mm(12 * 12 * 3/8), 457*457*12mm ... : ±1mm4. Polish degree: 90-95 degree.5. Surface Finish: Polished, honed, flamed, bush-hammered, sandblast, Antique, Water-jet, Natural Split, Rough ...