Wera 7400 Series 89mm Handle Torque Screwdriver Re Calibration Set

The Wera 7400 Series 89mm Handle Torque Screwdriver Re-Calibration Set is a dedicated re-calibration kit designed to restore and maintain the accuracy of Wera Series 7400 torque screwdrivers fitted with an 89mm handle. Precision torque tools rely on consistent calibration to deliver accurate, repeatable results. Over time and through regular use, torque screwdrivers can drift from their factory settings, making a re-calibration kit an essential part of maintaining professional standards and ensu