This is a electric wrench, all-in-one design, forward and reverse rotation, disassembly and installation, multi-purpose. Adopts brushless motor which does not generate sparks when it is working, and the motor does not wear, can provides long service time. Ergonomic soft rubberized non-slip handle design, easy to grip and with comfortable hand feeling, safe and labor-saving. Suitable for construction site shelves, maintenance, woodworking, etc.. Features: All-in-one design, forward and reverse rotation, disassembly and installation, multi-purpose. Equipped with stepless speed change switch, easy to adjust the speed according to your demands. Adopts brushless motor which does not generate sparks when it is working, and the motor does not wear, Ergonomic soft rubberized non-slip handle design, easy to grip and with comfortable hand feeling, safe and labor-saving. Electric brake for increased operator safety. Reserved several ventilation cooling holes, efficient heat dissipation, will not hot for working long time. Hammer and anvil impact mechanism are manufactured suing the high carbon hardness steel and quenching heat hardening process for maximum fastening and driving power. Suitable for construction site shelves, maintenance, woodworking, etc..