Wiha 13 Piece SlimVario VDE Insulated Socket Hex Nut & Screwdriver Bit Set,43467
The 1/4" nut driver inserts can be used in combination with speedE and slimVario handles to tighten and loosen hex screws. Extension slimVario electric, Hex: 6mm. slimVario electric adapter, Hex: 6mm.