Feature:1. Hole Drill Bit: Comes with single or double flutes, these drill bits enable easy hole drilling with high efficiency.2. Various Sizes: Including drill bits in various size, which will satisfy varied working needs in different situations.3. Flexible Using: Allows for flexible application in drilling tile, glass, ceramic, plastic, wood and so on, very useful.4. Good Material: Forged with premium cemented carbide material, the wear resistant drilling tools are also very durable.5. Plastic Box: The plastic box will store all the tools in an orderly, thus largely simplifying the carrying and storage.Specification:Item Type: Drill BitMaterial: Cemented Carbide.Package List:7 x Drill Bit1 x Plastic BoxNote:1. Take protective measures; 2. When drilling hard materials, such as glass, ceramic tiles, marble, please lubricate with water; 3. Manual measured parameters has a certain error.