The Do it Best Door Lock Installation Kit offers a fast and easy solution for installing locks into wood doors. Designed to fit doors with a thickness of 1-3/8" to 1-3/4" and backset sizes of 2-3/8" and 2-3/4", this kit includes everything you need for a precise installation. With high carbon steel hole saws, an arbor with a pilot bit, and an easy guide template, it's ideal for fitting the most common lock sizes.