[(1800n.m high torque electric impact wrench)] designed for heavy duty work, this impact wrench battery offers 1700nm clamping force and up to 1800nm disassembly force to handle rusty nuts and bolts easily. [(brushless motor)] the brushless impact wrench is equipped with 150w brushless motor, powerful power, tungsten steel shaft, high hardness and wear resistance. no sparks are produced during the row and the engine does not wear out. standard bolts: m10 - m24 (3/8 "- 1), high strength bolts: m12 - m16 (1/2" 5/8"), square drive screw: 12.7 mm (1/2") [(directional braking and stop)] the power wrench is equipped with 3 forward and 2 rear modes; in return mode, the stop brake is activated after loosening the nut or bolt to improve safety and prevent parts from flying away and damaging the nut. [(ergonomic design)] ergonomic handle and led light for use in narrow and dark spaces. equipped with a 3.0 ah lithium ion battery, it guarantees a long continuous use without frequent charging. [(usage scenarios)] this 1/2 electric impact wrench is designed to easily loosen or tighten different types of bolts or nuts. package contains: 1 x electric wrench, 2 x tools, 1 x user manual, 1 x carton, 1 x lithium ion battery. whether it's disassembling a car tire fixing bolt, assembling a furniture connection, or installing a scaffolding bolt, it provides a powerful impact to ensure you get the job done quickly and accurately.