The ETD 21 and 41 is a range of intelligent precision screwdrivers used for the assembly of micro screws in small electronical devices. It has a new patented way of holding the micro screw with integrated vacuum for minimizing faults in production. The new developed ergonomic handles supports the hand for good grip and various positions. The new design and choice of materials of the product has reduced weight with 20% compared to its predecessor improving speed of assembly and less need for maintenance. The aluminum cover can easily be opened and accessed for service of the tool, a LED lens in the front gives both visual guidance and feedback of the status of the operation.