Battery-operated analogue torque wrenches for assemblies requiring clockwise torque-controlled tightening. Low maintenance due to brushless technology, motor power 720 Wh, lithium-ion batteries 90 Wh, microprocessor-controlled electronics, USB interface for data transfer, tightening accuracy +/- 5%, repeatability accuracy +/- 3%, torque infinitely adjustable via thumbwheel control, tightening operation status can be displayed via LED indicator, the machine can also be used for unscrewing operations. Standard equipment includes 3 batteries, a battery charger 220-240V - 50/60 Hz, a torque arm, a toolbox and a calibration certificate.