1、VALUE ALARM: When the set torsion value is reached, the wrench will make a click to remind you to stop applying force to prevent excessive torsion from damaging your goods. 2、QUICK RELEASE BUTTON: The wrench head is equipped with a quick release button, which can easily install and remove the sleeve, and firmly grasp the sleeve to prevent it from falling off. 3、EASY OPERATION: Pull down the locking knob and hold it until the torsion setting is completed. Release the hand and the lock knob will automatically rebound to lock the value. 4、LASER SCALE: The handle scale adopts laser technology, and the double range scale is clear, easy to read and not easy to wear. More convenient to use. 5、CW CCW: The paddle of the wrench head can adjust the direction of use at any time, so that the wrench can be used clockwise and counterclockwise. 6、WIDE APPLICATION: The wrench is widely used for installation of equipment, electrical engineering, bike, motorcycle maintenance, product assembly, etc.