■ Rotate the hand crank to test the torque wrench with uniform force
■ With reducer device, the test is more labor-saving
■ Different sensors can be installed on the sensor shaft by configuring a suitable transition plate
■ The instrument rack tray can be raised and lowered, so it's easier to read
■ According to the different lengths of the torque wrench, the slider can be moved and the support plate can be adjusted to keep balance