Ryobi P231 18-Volt 1/4-Inch Impact Driver (bare tool only - battery and charger not included) Powerful motor delivers more than 1,200 in.-lb. of torque for demanding driving applications Maximum 2,400 RPM for fast driving 1/4 in. quick coupler for easy bit changes Forward/reverse selector is easy to locate and use Die-cast front gear housing helps increase tool longevity