3/8" ERGOTORQUEprecision torque wrench 10-50 Nm. Accuracy +/-3%. Accuracy guaranteed for at least 5000 operating cycles. Works in both directions, i.e. clockwise and anticlockwise. The torque is fixed by means of a button on the handle. Two measuring scales Nm and lbf. The scale is easy to follow and use. With 72H ratchet mechanism. DIN. When the desired torque is reached, the wrench produces an audible and tangible click. Each wrench has a personal serial number for identification. Spare parts and KS Tools certified calibration with certificate are available for the wrench.