Kamtop 1/4"Torque Wrench 5-25Nm with 46-Piece Socket Set

Product description Description:How do I use a torque wrench?1. Pull down and hold the lock knob. The wrench is unlocked.2. Turn the handle while holding down the lock knob to set the torque. Increase the value clockwise and decrease the value counterclockwise.3. After setting the required torque, release the hand and the button will spring back and lock the handle.4. Rotate the handle left and right to ensure that the wrench is locked and ready to use. (The small scale may move slightly to the sides of the centerline mark without affecting the accuracy of the setting.)5. Turn the wrench clockwise. When you hear a "click" sound, it means that you have reached the required strength.6. After use, reset the torque wrench to 0 to maintain its life. Package Includes:1 mechanical preset type torque wrench1 ratchet with push button - locking and quick ejection, with change lever, 150 mm1 handle 150 mm1 flexible extension (flexible shaft) 150 mm1 extension 100 mm1 extension 50 mm1 T-handle 10