- COMPLETE INSTALLATION KIT: This set comes with an adjustable jig template, a durable drill bit, and two hole saws (1-inch and 2-1/8 inch) designed specifically for professional door lock installations. - VERSATILE COMPATIBILITY: Suitable for door thicknesses of 1-3/8 inch to 1-3/4 inch, this kit accommodates backsets of both 2-3/8 inch and 2-3/4 inch, ensuring a perfect fit for a variety of door types. - BUILT TO LAST: Constructed with high-quality carbon steel for the hole saws and drill bit, this kit provides efficient cutting performance. The corrosion-resistant metal components ensure durability and longevity. - PRECISE AND TIME-SAVING: The adjustable guide template enables exact hole placement and alignment, streamlining the installation process and significantly reducing the time needed for setup. USE SCENARIOS: - Whether you're upgrading your home security with new deadbolts or installing a stylish new handle set, this kit simplifies the process for both professionals and DIY enthusiasts. - Ideal for contractors working on multiple projects, the versatile design and reliable tools make quick work of door lock installations, increasing efficiency on the job site. - Perfect for home improvement projects, this kit allows homeowners to easily replace or install door hardware without the need for specialist tools or skills. With this comprehensive kit, you can tackle your door lock installation with confidence and precision.