The LENOX Tools 2060082 4-Piece Bi-Metal Non-Arbored Door Lock Installation Kit is a trade-quality drilling solution built to streamline the process of boring locksets and latch holes in residential or commercial doors. Engineered for exceptional speed and clean, burr-free cuts, this template-guided kit eliminates tedious manual measuring, line layouts, and common alignment errors. It gives contractors, locksmiths, and property managers a repeatable way to install new hardware on both standard wood and metal entryways.