Irwin Wood Door Lock Installation Kit is designed to provide everything you need for precise and efficient installation of locks on wood doors. This kit features carbon steel hole saws specifically made for wood doors, ensuring durability and clean cuts. It includes a self-centering jig that s hole alignment, with mounting holes to secure the jig and match the latch plate holes for accurate fitting. The two-sided jig template backset options of 2-3/8" and 2-3/4", accommodating different door lock setups. With a cutting depth of 1-3/8", the kit contains a 1" and 2-1/8" hole saw, a pilot drill, a plastic self-centering jig, a steel trim plate template, and a brass router bit. This comprehensive set is i for doors with a thickness of 1-3/8", providing all the necessary tools for a professional installation. Model Number: 3111001