Instructions for use:The head is aligned with the screw and directly hits the rear part of the impact batch with a hammer. The front batch head will automatically rotate. The question section can adjust the forward and reverse rotations, and the upper and lower screws can be used.Features:Heavy duty material: The screwdriver are made from steel, which is heavy duty, impact resistant, wear resistant and durable. All the tools has high hardness.Use: You can apply to loosen OR tightening fasteners with this must-own tool.Color: silverMaterial: SteelComfortable grip: Non-slip grip handle, it is comfortable to hold and operate.Good performance: Impact force helps loosen rusted or frozened screws without damaging.Portable: Easy to carry and use, all the tools are stored with a carry case.Condition:Brand NewProduct Name:Impact Screwdriver Set13pcs:5 x 8x35mm slotted : 5+6+9+9+9mm1 x 8x70mm slotted bit: SL93 x 8x35 crossed : PH1+PH2+PH31 x 8x70mm crossed bit: PH32 x 8x35mm hex bit: H5+H61 x impact screwdriver setPackage Contents:1 x impact screwdriver setOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.