Lost your drill’s chuck key? This 2-in-1 ratchet wrench is a handy replacement that works even better. It comes with three interchangeable gear heads that fit a wide range of chuck sizes (from 1.5mm up to 16mm). The reversible ratchet mechanism lets you tighten or loosen the chuck quickly without removing the tool – saves time and effort. The handle has a comfy non-slip rubber grip. Works with cordless drills, drill presses, and most hand drills. A must-have for your toolbox if you use drills regularly. Keep one in the workshop and never hunt for the original key again!