Vending Machine Plug Lock Manufacturer in China: Zinc Alloy Vending Machine Plug Lock, Code Changeable Lock, Shiny Chrome, Nickel Plated Surface Treatment. Specifications: Material: zinc alloy. Finished: shiny chrome, nickel plated. Key combination: code changeable lock. Specialty: 1. Supplied with 1 change key and 8 different combination user keys per lock. 2. Mange key adjust lock combination. If you adjust code 1, it should be available only with key. 3. The manager can change the key code while lock mounted without outward visual indication of what the current key code is. It is used for vending machine and where top security is needed. 4. 1 lock equivalent of 8 locks, save cost and pro-environment. 5. Anti-drill ball on the lock front for drill protection. Application: Vending/game machine, ATM, Automatic Water Machine, Automatic Book Machine, Automatic CD Machine, intelligent terminal, electrical equipment, etc.