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. To vary the working speed, simply increase or decrease pressure on the trigger, the further the trigger is pulled, the higher the speed is. 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 anti-slip handle design, easy to grip and with comfortable hand feeling, practical and labor-saving. Electric brake for increased operator safety, just push the control switch to the center position to lock the trigger. Reserved several ventilation cooling holes, efficient heat dissipation, will not hot for working long time. Suitable for construction site shelves, maintenance, woodworking, etc..