Keyed alike in short means a number of locks that uses the same key to lock or unlock them. It is used widely in industries where safety is an overriding factor. It is also used in the residential sector where homeowners wish to have one key to open and close all access doors to a home. The “Keyed alike” principal can be applied to almost any type of conventional locking system, from padlocks to mortise locks and even vending machine locks. Martins Locksmiths and Number plates has over the years supplied and fitted keyed alike locks in numerous sectors and environments.