Torque wrench 3/4" 140-700Nm

Quelle est la signification des symboles ?

High-precision torque wrench from Kamasa Tools. A robust and accurate instrument with an accuracy of ± 3%. Each wrench comes with a calibration certificate with reference to the wrench's serial number. For both clockwise and counterclockwise torque installation by default torque. Easy setting of torque with Nm and Ft.lb. in window scale.