1. Ultra-smooth handle rotation with high visibility laser etched marks allows you to easily adjust the specified torque. All our torque wrenches are designed with life in mind and are calibrated and tested before . 2. Convenient storage: This quick-speak torque wrench comes with a high-quality storage case, so you always have a perfect place to keep it when not in use, and you never have to search for it when you need it. The housing will protect the finish and accuracy of your torque wrench. 3. When the preset value is reached, the wrench will emit audible and felt clicking sound performance Features an easy-to-read, highlighted printed dual-range scale. The mark is recognized even in low light conditions. 4. Easy to use and convenient: pull down the lock knob and hold until the torque setting is complete. Release the hand and the locking knob will automatically rebound the locking value. The torque wrench head is equipped with a quick release button for easy installation and removal of the sleeve, firmly gripping the sleeve to prevent it from falling out. It is more convenient to use. 5. Easy to use and convenient: pull down the lock knob and hold until the torque setting is complete. Release the hand and the locking knob will automatically rebound the locking value. The torque wrench head is equipped with a quick release button for easy installation and removal of the sleeve, firmly gripping the sleeve to prevent it from falling out. It is more convenient to use. Product parameters: Product name: preset quick release torque wrench How to use it 1. Pull and hold the lock button. The wrench is not locked. 2. Hold the locking knob and turn the handle to set the torque. Increase value clockwise, decrease value counterclockwise 3. After setting the required torque, release the hand and the button will spring back to the loc handle. 4. Turn the handle left and right to that the wrench is locked and start using the handle. (A small scale can move a small amount to either side of the mark without affecting the accuracy of the setting.) 5. Turn the wrench clockwise. When you hear a click, it indicates that the required strength has been reached. 6. Adjust the torque wrench to 0 after use to maintain its service life. Type: 3/8 inch 19-110Nm Material: Metal colour: redandsilver Package Contents: 1 x Torque Spanner Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.