Wera VDE Series Torque Indicator T-Handles is an insulated, individually tested VDE T-handle Torque indicator for safe working up to 1,000 volts and is ideal for transferring controlled tightening torque and high loosening torque. Wera VDE Series Torque Indicator T-Handles features error-free screwdriving due to the non-slip friction clutch and exact torque transmission. Wera VDE Series Torque Indicator T-Handles is designed with distinctly audible and noticeable excess-load signal when the pre-set torque is reached and is tamper-proof against accidental changing of set torque value.