An electric torque wrench is a powerful construction tool used for tightening and loosening nuts, bolts, and fasteners quickly and efficiently. It provides high torque output, making it ideal for heavy-duty applications such as steel structure assembly, scaffolding installation, formwork fixing, and machinery maintenance. Electric torque wrenches are widely used on construction sites, workshops, and industrial projects to reduce manual effort, improve work speed, and ensure secure fastening in demanding construction environments.