Features: 21V cordless impact wrench offer 2 selections of torque output, which have enough power to break stubborn fasteners, removing tires from car or truck. Switch it to lower torque setting for automotive repairs, motorcycles or major construction projects, bolts, product assembly or other heavy-duty maintenance. The brushless motor keep this impact guns a consistent power life. This power impact guns have 0-3400RPM variable speed, increase or decrease pressure on switches to control speed easily. Simple to change the rotation direction by forward & reverse levers. When the impact wrench is in reverse mode, you can turn on the stop function by pressing the mode button “M”, which can prevent the nut from falling while protecting the bolt thread when the nut is completely out. Selected hard impact driving system with fully metal ensures this impact guns have a long term. This Electric impact wrench features LED work light. It will turn on automatically after press the switch triggers, this improves visibility, never worries when even working in dark areas. Over-molded rubber grip design makes you feel no obvious numbness in the hand when operating. Ergonomic grip curved reduces muscle soreness even after a long time of work. The cordless Electric Wrench suitable for 21V Battery Specifications: Component:Plastic+Alloy Torque: 550Nm Chucks size: 21.8mm No-load speed: 6000rpm Power: 550W Size:Approx.28cm/11.02inch Package Includes: 1Pc Electric Impact Wrench note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.