Features:
Safe deposit lock with dual cylinder (HIGH PROFILE zzand EXEC only).
One cylinder is operated with customer’s key and the other by the banker’s key.
Supplied complete with two keys for each cylinder.
To open the lock both keys are needed, but locking can be carried out using just the customer’s key.
Key(s) removable in locked position only.
Cylinder housing and bolt - die cast zinc.
Lockcase and bolt plate nickel plated steel.

Applications:
Safe deposit locks can be used in normal type lockers as well as electrically controlled applications.
The cylinder mechanism is based on rotating detainer discs guaranteeing the optimum protection against picking.
Designed to resist even the toughest physical attack.

Good advice!

 

If you buy more than one furniture locks, you might want to consider having them master keyed. 
     Master keying of furniture locks for one key is common. This enables you to open several locks with the same key.

Ask price offer for master keying here.

Read more: encoding of locks.

Abloy_Master_Key_System_Design_Guide