WHOLESALE 5pc MINI DIAMOND FILE SET For use on glass, stained glass, ceramic tile, limestone, marble, granite, plastic or fiberglass. Diversity of tip profiles to fit each and every need. Perfect for filing off sharp edges, reshaping cuts and reaming drilled holes. Cushion grips for a firm, comfortable hold. Contents: 1pc flat, 1pc half round, 1pc square, 1pc triangular, 1pc round.