Cam lock-Interchangeable cylinder 1. You will increase customer satisfaction while reducing administration and maintenance costs. Customers select their own lockers and must return the key to collect their belongings. Keys are then retained for the next customer. 2. All locker locks are avsilable with permanent or interchangeable cylinders. If locker keys are lost or stolen, interchangeable cylinders provide a fast and essy way to open the locker and renew security. A master key is used to remove and exchange the lock cylinder. Locks with cylinders are available with a master key that will unlock each of the lockers in the event that a key is lost. This allows you to service the customer and access the lock for maintenance. 3. Cam locks are designed and built for durability. These solid brass locks feature heavy duty cam locks may be operated by the same master key used for fukeda locks.