231-1193, Bosch, Bosch 3-Piece Tile Drill Bit Set for Masonry, 8mm Max, 5mm Min, Carbide Tipped Bits, Brand Bosch, Set Type Rotary Impact Drills Bit Set, Drilling Application Masonry Bosch 3-Piece Tile Drill Bit Set for Masonry, 8mm Max, 5mm Min, Carbide Tipped Bits