Features: 1. Scope of application: Used for drilling, applicable to ceramic tiles, glass, plastic, wood floors, wall, etc. 2. Applicable equipment: Suitable for ordinary drill 3. Made of Cemented Carbide, high hardness, good wear resistance and durability. 4. Hardened cutting edge effectively extends drill bits service life. 5. Effectively improve working efficiency, saving time and labor. Specification: Condition: 100% Brand New Item Type: Hex Shank Twisted Drill Bits Material: Cemented Carbide Quantity: 10pcs, 5pcs (optional) Diameter: 6mm / 0.2in, 8mm / 0.3in, 10mm / 0.4in, 12mm / 0.5in (optional) Optional Specification: Twist Slotted 6mm 10pcs Twist Slotted 8mm 10pcs Twist Slotted 10mm 5pcs Twist Slotted 12mm 5pcs Package List: 1 x Twisted Drill Bits Set Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.