These 1/2in. square drive insulated hexagon socket wrenches from Kennedy are built from high-quality materials and feature dual-layer dipped insulation to protect users against voltages up to 1000V. Suitable for electrical applications, each socket is marked for quick size and type identification and conforms to IEC 60900. Available in sizes from 8mm to 32mm. Features and Benefits 1/2 inch square drive suitable for heavy-duty applications Hexagon socket profile ideal for secure fastener engagement Dual-layer dipped insulation rated to 1000 volts for electrical safety Individually tested at high voltage for assured reliability Marked with size and type for fast and accurate selection Standards Compliant with IEC 60900 for safe live working