Description MILWAUKEE Tile and Natural Stone Bits deliver up to 2x life in granite, stone, tile, and glass. Hammer mode capability provides faster drilling speeds when drilling into tile and natural stone. Equipped with an aggressive 8-grind carbide head, these bits deliver up to 20% faster drilling. Reinforced tip protects the carbide head, providing the durability need for hammer drill mode. MILWAUKEE Tile and Natural Stone Bits can be used in drill-only mode or hammer drill-mode. Not recommended for porcelain tile. This kit includes (1) 1/8 in., (1) 3/16 in., (1) 1/4 in., and (1) 5/16 in. drill bit for natural stone.