Along with secure locking and unlocking mainly for the entrance and exit locksmiths are also introducing secure storage systems within the market. To secure storage they introduce various kinds of locker systems in which various sizes of storage compartments are covered. The smallest locker introduced by locksmith is considered as the safes. A safe is a simple metal-made storage compartment it becomes secure only when the locksmith installsa security system over it so that clients can use it safely for storing daily essential items in which car keys, wallet, and some cash are mainly covered. A safe is generally small in comparison to lockers, generally, it holds few liters of capacity approximately ten to fifteen liters, and generally, such kinds of safes are most commonly used within commercial and residential areas. Locksmith Milwaukee can deal with all kinds of lockers regarding its maintenance.