Padlocks are one of the most common in use locks ever produced by a locksmith. A padlock is an older concept of locking still in use at a different level. Padlocks are available in three different variants first is the keyed padlock, the second is combination padlock and the third one is the interchangeable core padlocks. All such padlocks are different and best for handling both office and home security. Padlocks are easily available in the market. You can get them from the nearest hardware stores. Locksmith Oakland suggests using padlocks for securing the secondary area of the house or simply saying that inside area of the house. Padlocks can be used for both door and window locking. It is highly durable and can resist harsh climatic conditions. In the padlock segment, the combination lock is the first keyless entry concept introduced by a locksmith in the manual locking segment, later this concept is followed by the electric locking systems.