M12 12V Lithium-Ion Cordless Rotary Tool w/Compact Battery Pack 2.0Ah and Charger Starter Kit

The variable speed dial makes precise cuts way easier than my old plug-in model, and this thing barely vibrates even at full RPM. Charges fast enough between jobs that I've stopped worrying about the 2.0Ah pack dying mid-project.

Battery life is genuinely impressive—I’ve been cutting through metal studs all afternoon and the 2.0Ah pack hasn't dropped below half. The extra speed over my old corded unit is noticeable, and with the compact size I can reach into tight corners without wrestling the tool.

Finally a rotary tool that doesn’t feel weak on the first use—that 10% more speed is real, and it’s still easy to handle one-handed. The 2.0Ah battery holds up through a solid afternoon of cutting without needing the charger. Only wish the kit included a second battery, but for the clearance price,