M-2KCash vault security lock
Details :
ATM Cash vault security lock M-61K: 

Double bitted key lock with two solid keys
User key for guest or staff
Master key for bank manager or hotel director
The lock can be opened with superviser key and consumer key together
Open the lock easily with user key
Master key is same key
User key is different
It is widely used for atm machine lock  , door vault lock, bank cabinet lock,  roll door lock
 
Lots of us have safe-deposit boxes (also called lock boxes), and not all of the items hidden inside have particularly moving stories behind them. But every safe-deposit box, by its very nature, holds a little bit of drama. This locked container, deep in the vault of a financial institution, is the best place to keep your irreplaceable possessions.

DOUBLE CHANGEABLE KEY SAFE DEPOSIT LOCK WITH KEY COVER

Square bolt dual nose safe deposit lock for bank cabinet/strong room vault door

China safe lock manufacture  supplier of all kinds of safe locks