Wera Tools - 410 i VDE B VDE-insulated T-handle adapter screwdriver for 3/8" socketsThe shape of the T handle allows a transmission of particularly high tightening and loosening torque. The geometry of the handle fills the hand well and the fingers lie safely in the soft rounded handle recesses. This ensures optimal, ergonomic power transmission. Individually tested tool as per IEC 60900 at 10,000 V for safe working at the approved voltage of 1,000 V. Only allowed for 3 8"" VDE bit sockets and sockets of the Wera Zyklop VDE series