Description:- For controlled torque application from 4 – 20 Nm main measurement unit for Nm with vernier scale, auxiliary measurement unit for in-lb click type torque wrench safe locking of the set torque value for clockwise fixing with robust, matt-chrome plated steel tube reversible ratchet very noticeable and audible (”click”) signal classified Conforms to DIN EN ISO 6789:2003 Type II Class A calibrated accuracy of +-4%, with traceable factory calibration certificate