1. Hardness for Durability: Made from TCT carbide, this door lock installation set features hardness and a hardened cutting edge, ensuring durability and extended tool life. It can withstand multiple installations without dulling. 2. Precision with Positioning Feature: The kit includes a hole saw that enables precise hole placement for latch locks, making it easier for users to achieve accurate cuts and addressing the common issue of misaligned holes during installation. 3. Enhanced Grip and Torque: The nonslip shaft design allows for easy handling and provides higher torque, ensuring secure and effective drilling. Users can have improved control during operation, reducing the likelihood of errors. 4. Efficient Chip Removal: The innovative chip hole design facilitates quick debris removal, streamlining the installation process and minimizing interruptions. This is crucial for a smooth and efficient installation.