The hexagonal handle design is Suitable for various power tool, suitable for drills ranging from 1 / 4 " to 1 / 2 ", making it flexible and to use Suitable for family enthusiasts and professional craftsmen, it solves the point of traditional drill bits being difficult to deal with hard materials and easily creates ideal spaces Users can complete drill bit replacement within 10 seconds without the need for additional tool, greatly saving time Eccentric drill bits provide high positioning accuracy, ensuring that each hole position can be accurately positioned with error of not more than 1mm The tilted head structure enhances drilling efficiency, allowing for smooth drilling on tiles and concrete, with a 30% increase in drilling speed, Manufacturer: Watreketal