13/7PCS 1/2 Inch Drive Impact Driver Set Extractor Tool Slotted or Phillips Screwdriver Bits Remove Rusted Damaged Screws

Heavy duty material: The screwdriver bits are made from chrome-vanadium alloy 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.Comfortable 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.Features.1.An instant impact can loosen rusted or frozen screws without damaging them, saving you effort.2.Forward and reverse drive directions for use with impact sockets and also for nuts, bolts and other fasteners.3.Ideal for screwdriver handles or power screwdriver tool drive sets.4.The drill bits have precision ground tips for an exact fit and are stored in a plastic case for easy storage and portability.Specification.Name. Impact Driver SetBalance. Tolerance +/-0.003".Material: Chrome vanadium steelPackage includes:as pictures shown you chioce:13pcs or 7pcs