Core Performance & Features The Milwaukee M18 ONEIWF12-0 is powered by a high-efficiency brushless motor, delivering up to 300 Nm (approximately 221 ft-lbs) of maximum fastening torque for a wide range of automotive and mechanical applications. This cordless impact wrench features 4-mode DRIVE CONTROL, allowing users to select the appropriate speed and torque settings (900/1,400/1,900/2,500 RPM) and impact rates (1,300/2,100/2,550/3,200 IPM) for precise control across different fastening tasks. The compact design measures only 5.0 inches (127 mm) in length, providing excellent access in tight engine bays and wheel wells. A built-in LED work light illuminates dark work areas, and the friction ring anvil enables quick, tool-free socket changes. Bare tool only — battery and charger sold separately.

Target Audience & Use Cases Professional automotive technicians, mechanics, tire service specialists, and serious DIY users. Ideal for removing and installing lug nuts, suspension bolts, brake caliper fasteners, engine components, and general fastening tasks on cars, light trucks, and SUVs. Suitable for both shop and mobile service environments where cordless convenience and compact size are essential.

Runtime & Compatibility Compatible with all Milwaukee M18 REDLITHIUM batteries (sold separately). The brushless motor maximizes runtime per charge, allowing users to complete demanding applications without frequent battery swaps. This bare tool model enables users to leverage existing M18 batteries from their collection. For maximum performance, pairing with HIGH OUTPUT M18 batteries is recommended. Battery and charger are sold separately.

Ideal Customer Profile Professional mechanics and automotive technicians who need a compact yet powerful impact wrench for daily fastening and loosening tasks in confined spaces. Users already invested in the Milwaukee M18 battery platform seeking a lightweight, versatile cordless solution that delivers reliable torque without the bulk of larger high-torque impact wrenches.

Final Summary The Milwaukee M18 ONEIWF12-0 combines 300 Nm of torque with a compact 5.0-inch design and 4-mode DRIVE CONTROL. With its brushless motor, friction ring anvil, and LED lighting, it delivers professional-grade performance for automotive repair and mechanical fastening tasks where portability and precision are essential.