The Wiha slimBit electric bits have been been specially developed for electrical applications, individually tested as per the international IEC 60900 standard. Providing users with a tool to work safely on live parts up to 1,000 V AC. Wiha slimTECHNOLOGY means blades are up to 33% slimmer. This means low-lying screw and spring elements can be easily reached.slimBits can only be used with speedE, slimVario or TorqueVario-S electric tools. This 15 Piece Set contains the following: 6 x TORX slimBit electric Blades: T6 x 75mm, T7 x 75mm, T8 x 75mm, T9 x 75mm, T10 x 75mm & T15 x 75mm. 6 x TORX PLUS slimBit electric Blades: 6IP x 75mm, 7IP x 75mm, 8IP x 75mm, 9IP x 75mm, 10IP x 75mm & 15IP x 75mm. 2 x slimBit boxes for easy storage of slimbits, whilst providing an optimum view of the screw profiles. 1 x Belt Holster for slimBit Box.