Key benefits Powerful tightening and loosening: Delivers up to 350 Nm of torque for fast removal and installation of nuts and bolts. Portable and convenient: 21V cordless design with a 1500 mAh battery provides mobility for jobs away from power outlets. Precise control: Variable speed and impact ranges let you match power to the task to avoid over tightening or fast stripping. What it does and why you need it Replaces manual ratchets and slow electric tools for quicker, more consistent fastening on heavy-duty work. Reduces user fatigue by delivering high torque in short bursts, improving productivity on repetitive tasks. Works with standard 1/2 inch drive sockets and a 12.5 mm diameter hub for wide compatibility with common socket sets. Key specifications Rated voltage: 21V Maximum torque: 350 Nm Square head size: 1/2 inch drive Diameter: 12.5 mm Impact frequency: 0 to 3200 Speed range: 0 to 2700 Bare metal size: 20*15.5*8 Battery capacity: 1500 mAh Performance and build High torque output and robust impact mechanism for heavy fastening tasks. Variable speed control allows gradual power application or full power bursts as needed. Compact bare metal size supports use in tighter spaces while still providing strong performance. Compatibility and use Designed to work with 1/2 inch drive sockets and common accessories for automotive, construction, and maintenance work. Battery type and capacity provide a balance between run time and tool weight. Practical use scenarios Automotive: Quickly remove and reinstall wheel lug nuts during tire changes and brake service. Construction and assembly: Drive large fasteners on scaffolding, steel framing, and heavy equipment assembly where high torque is required. Equipment maintenance: Break loose rusted or over tightened bolts on farm machinery, generators, and industrial equipment. What to expect A compact, battery powered impact wrench rated at 21V with a 1500 mAh battery, offering a maximum torque of 350 Nm, 1/2 inch drive compatibility, and variable impact and speed ranges for controlled, high force fastening.