QEP 7-3/4 Inch Pro Tile File for Granite, Marble, Porcelain, Ceramic and Stone Extra Wide 1" X 7-3/4" Carbide Dual Grit Filing Surfaces Fine Grit for Minor Smoothing, Coarse Grit for Smoothing Harder Surfaces Smooths and Shapes Marble, Stone, Ceramic and Saltillo Tiles Comfortable, Cushioned Grip Handle