Wera 160 i/162 i/167 i/9 Kraftform VDE Insulated Screwdriver Set 051333550019 piece screwdriver set with individually tested, insulated screwdrivers as per IEC 60900. Individual testing in a water bath at 10,000 volts so as to ensure safe working at the permitted voltage of 1,000 volts. Kraftform Plus handle for pleasant, ergonomic working that makes blisters and calluses a thing of the past. Hard gripping zones for high working speeds whereas soft zones ensure high torque transfer. Partially Lasertip: the tip literally bites