Wera kraftform plus series 100 vde slotted screwdrivers wera 05006135001 kraftform plus screwdrivers enable a higher transfer of force with less effort even in intensive use in addition the safety issue always a top priority at wera is very much in focus for series 100 vde screwdrivers the quality of the blades exceeds current standards with regard to hardness and torque strength every tool is tested individually for dielectric strength under a load of 10 000 volts so as to ensure safe