The 80.010.4105.0 is an uninsulated screwdriver designed for the optimal operation of Wieland's WKF terminal blocks. This tool conforms to the DIN 5264 B 0,8x4 standard and is equipped with a cylindric design and a flat blade measuring 0.8 x 4.0 mm. It is specifically recommended for use with terminal blocks accommodating rated cross sections of 8 AWG (6 mm²) and 6 AWG (10 mm²), and is also suitable for handling jumper bars.