Combination Padlock (with flat key barrel), Master key system is requested
Outer housing & barrel with zinc alloy. Two sizes (dia. 3mm & 5mm) of shackle for customers choosing.
Regular function: same as traditional padlock Additional function: use the attach key to open the lock when you forget your original setting combination code. Apply to institution, school, organization and personal using.
Padlock combination code: over 1,000 key combinations; Lock & Key combination: over 50 key combinations.
It is optional for color of appearance. (for example: black E-coating)