Name: MK208 Patent Lock.

Material: Zinc alloy. 
Finished: Bright chrome.
Key combination: 6,000,000,000.

Applications: Vending machine, game machine, safety box, ATM, electrical cabinet, street kiosk, locker, automatic book machine, automatic cd machine etc.

Specialty
1. Over 6 billion key code and unique key shape. 
2. Multi internal security mechanism.
3. Creative design with smart disc & tumbler.