Security and access have long been an important part of human society. The invention of keys and locks enables us to control and manage access to our property and belongings. While locks and keys have changed over the years they’ve been around, they are still an integral part of our lives. A lock is a mechanical fastening device that is released by a physical object (such as a key) whilst a key is a device that is used to operate a lock (such as to lock or unlock it). A key is a device that is used to operate a lock. Browse through this category for various keys and locks available in Zambian stores.