Wera 400 VDE i Hex Insulated Torque Indicator 05004981001Wera VDE torque indicator with fixed torque for hexagon socket screws. Tamper proof. The robust slip clutch generates a clearly audible and tactile trigger that signals when the set torque is reached, making it impossible to apply any further torque. The loosening torque value is significantly higher than the set tightening torque, therefore no additional tools are needed for loosening screw connections. The shape of the handle perfectly fills the