5 Piece, Multi-Purpose, Drill Bit Set, Drills Tile, Masonry, Wood, Metal & Concrete, Innovative Tungsten Carbide Plate Suitable For Multi-Purpose Applications, Sharp, Multiple Diamonds Ground Cutting Edges For A High Drilling Rate, Even In Hard Materials Such As Tiles & Concretes, Sturdy Drilling Head For A Long Serviced Life In Drilling & Impact Drilling Applications, Includes The Following Sizes: 5/32" x 4" x 6", 3/16" x 4" x 6", 1/4" x 4" x 6", 5/16" x 4" x 6" & 3/8" x 4" x 6".