Features: The tilted head structure enhances drilling efficiency, allowing for smooth drilling on tiles and concrete, with a 30% increase in drilling speed. Suitable for family DIY enthusiasts and professional craftsmen, it solves the pains point of traditional drill bits being difficult to deal with hard materials and easily creates ideal spaces. Eccentric drill bits provide higher positioning accuracy, ensuring that each hole position can be accurately positioned with error of no more than 1mm. The hexagonal handle design is Suitable for various power tool, suitable for drills ranging from 1/4 "to 1/2", making it flexible and convenient to use. Users can complete drill bit replacement within 10 seconds without the need for additional tool, greatly saving time. Specifications: Material: Alloy Dimensions: Diameter 6mm, 8mm, 10mm, 12mm Package Includes: 1Set Ceramic Tile Drill Bit note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.