The Last of Us Part 1 tool locations are easy to miss if you're not paying attention. With so many infected to look out for and with Ellie in tow, it's hardly surprising that you may have trouble spotting them. The toolboxes are vital, though, and will let you upgrade your weapons so you stand more of a chance of making it through your journey.
Speaking of upgrading your weapons, you'll get quite a few parts by locating The Last of Us safe codes and collecting the goodies inside. As for the toolboxes, there are five to find, and they're spread throughout the game. If you're ready to get started, here's every The Last of Us tool location.
