Vertical double lithium electric torque wrench (model: U-LD81901) is a railway digital display torque wrench with vertical operation and double lithium electric protection technology, and its working torque is>3000N m. The torque value is adjustable and controllable, which is specially used for various railway bolt operations. The vertical double lithium electric torque wrench (model:LJ - LDB1901) is composed of a control lever, a motor, and a reducer. It adopts the unique ergonomic flat impact principle, which makes the machine more safe, labor-saving, and efficient. Its unique overall waterproof design ensures the all-weather construction needs. Torque regulation and compensation can make torque control more accurate to meet construction requirements.