Mindy top security padlock..1. They have high-precision keys. No key-copying.
2. LOCK CORE: It is build by 3 pieces steel sheets. When opening it is through the key steps length to separate steel sheets and aiming at shaft slots. Only when the three steel sheets are aiming at the three slots at the same time will it rotate and open. If the key steps are different. IT IS NOT FEASIBLE TO ROTATE AND OPEN EVEN IF THE SLOTS DIMENSION ERROR is within 0.1mm
The key holes are in circle shape. It is in vain trying to open by any special instruments.
Owing to its unique structure. It plays an important role of keep away for the skeleton keys and ultrasonic vibration keys
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