Features Exceptional Durability: Crafted from high-quality TCT cemented carbide, this kit ensures long-lasting performance and effectiveness for all your door lock installations Precision Positioning: Featuring an auger bit with a unique positioning function, this tool allows for accurate drilling of holes, making tongue lock installations easier than ever Enhanced Grip & Control: The non-slip shank design provides superior grip, enabling you to exert higher torsional forces for a smooth and efficient installation process Efficient Chip Removal: The innovative chip hole design allows for quick removal of debris, streamlining your workflow during the installation of door locks Versatile Application: Perfect for various settings, this kit is suitable for installing ball type door locks in homes, offices, and commercial properties, catering to all your locking needs Features: 1、High Hardn: This door lock installation kit is manufactured using TCT cemented carbide material with high hardn and high frequency hardening of the cutting edge. 2、With Positioning Function: This door lock installation kit comes with an auger bit with positioning function, an incisive tool for drilling holes for tongue locks. 3、High Torsional Force: The lock installation kit has a non slip shank for easy gripping and higher torsional forces. 4、Chip Hole Design: This door lock installation kit has a chip hole design to facilitate chip removal for quick and easy installation of the door lock. 5、Versatile: This door lock installation kit is ideal for installing ball type door locks in a variety of settings, including homes, offices and other commercial properties. Specification: Item Type: Door Lock Installation Kit Material: Cemented Carbide Hole Opener: Dia. Approx. 54mm / 2.13in Opening Depth: Approx. 44mm / 1.73in Auger Bit: Dia. Approx. 22mm / 0.87in Depth of Cut: Approx. 80mm / 3.15in Package List: 1 x Hole Opener 1 x Auger Bit Package List 1 x Hole Opener 1 x Auger Bit