Re keying is always better than changing locks. Locksmiths require minimum resources and time management for rekeying in comparison to changing locks. When you lose your lock key in response to this your lock becomes non-functional and this will restrict you to access your property. To resolve this kind of issue locksmiths suggest you some solution which includes preparing duplicate keys and the second one is the change of the whole lock. For preparing duplicate keys locksmiths use some modern machines which require some kind of data associated with the lock and the key associated with a particular lock is prepared with an immediate effect. On another side, some locksmith tries to change the whole lock with a new one which might take some time and effort both. Locksmith New Brunswick Nj is best in preparing duplicate keys. They are qualified and known for producing an error-free response.