An older lock is prone to a security issue. Locksmith always recommends to not use old locks for a long time. A manual lock can last for seven years, beyond its use can create problems for you. On business premises, you always need advanced modern padlocks. A padlock is an old concept;a locksmith does various modifications to it. In the initial stage keyed padlocks are preferred by a locksmith. Later with some advancement, locksmiths introduce combination padlocks. Combination padlocks are the most successful series of the padlock in past for business premises. Now in this twenty-first century, interchangeable core padlocks are in demand. It is a different kind of concept with an interchangeable inner core pattern. Locksmith Plano prefers its use in securing business premises. Padlocks are common in use all the time. It suits well in securing both home and business premises.