MOK Best series rekeyable ever padlock, cylinder can be taken out and can be rekeyed to match an existing key All components are extremely well protected to ensure operation in all conditions. Guaranted security in extreme environments. With super high antioxidant and anti theft functions, high efficiency. 1. Suitable for train wagons, trucks, containers, heavy sliding doors, high-end security places, etc. 2. Especially for the extreme environment like coastal areas, hot areas and places of freezing conditions. 3. With super high antioxidant and anti-theft functions, high efficient and humanized management. MOK103GE 50mm 60mm 70mm Anti cut short/long shackle Waterproof heave duty globe padlock FAQ: 1. Is master keying available? → Yes. The quantity of Master Key padlocks depends on the size of padlock. Larger size, bigger quantity. And quantity of master key depends on your requirement. 2. How to distinguish each padlock with master keying option? → Marking serial numbers on the side face of the lock body, usually MA001, MA002,.... M refers master keying, A means group. Of course this can be customized. 3. If I order master keying this time, can I order more orders with the same master key? → Yes, sure. Your order would be marked thus we could check the record if you want padlock with same system 4. Is keyed alike option available? → Yes. Size and quantity are not limited. Key quantity depends on your need. 5. Is free sample available? → I'm afraid not. You have to pay us first thus we could send samples to you. But sample cost could be returned to you once you place order with ideal quantity. 6. What payment terms do you accept? → We now only accept T/T (bank transfer) and Western Union. Usually, 30% deposit in advance and balance before shipment. Contact us if you need more details on padlock. We are ready to answer your questions on packaging, logistics, certification or any other aspects about padlocks with master key、key code padlock. If these products fail to match your need, please contact us and we would like to provide relevant information.