This is a kind of premium electric screw driver, all-in-one design, forward and reverse rotation adjustable, easy disaembly and installation. Multifunctional, can be used as electric drill(high impact, punching on the wall, ground), electric wrench(tyre disaembly and installation, wooden support construct) and screw screwing tool. Ergonomic anti-slip handle design, easy to grip and with comfortable hand feeling, practical and labor-saving. Suitable for construction site shelves, maintenance, woodworking, etc.. You can have a try.Features:Adopts brushle copper motor which does not generate sparks when it is working, and the motor does not wear, can provides long service time.Multi-purpose, 3-in-one design, forward and reverse rotation direction adjustable, disaembly and installation work more easier.Multifunction, can be used as impact drill(punching on the wall and ground, like concrete drilling, cement brick drilling, red diamond wall drilling), electric wrench(tyre disaembly and installation, wooden support construct) and screw screwing tool(electrical disaembly and repairing, toy disaembly, furniture aembly).Positive and negative rotation ways one button switching design, aembly and disaembly more easily, and when the button is in the middle, it is locked and the acceleration button cannot be activated.Tungsten steel rotation shaft design, high hardne, wear resistance and corrosion resistance.High strength chuck can easily replace drill bits with different functionmetal, and a variety of materials are easy to handle, such as wood, concrete, screw out and etc..Steple speed adjustment design, the heavier you pre the trigger the faster the rotation speeds is, and has finger-loose automatic stop function.Equipped with LED working light, provides illumination in dark spaces as you work.Ergonomic anti-slip handle design, easy to grip and with comfortable hand feeling, practical and labor-saving.Reserved several ventilation cooling holes, efficient heat diipation, will not hot for working long time.Specifications:Name: Screw DriverMaterial: metal+plasticsColor: blueItem size: 236 * 116 * 79mm / 9.29 * 4.57 * 3.11inPackage size: 250 * 150 * 120mm / 9.84 * 5.91 * 4.72inPackage weight: 1000g / 2.20lbPacking List:1 * Screw Driver 1)