The 4 digit mechanical combination locks by Meroni are the ideal solution for all the situations that require a storage system (even if temporary) to secure objects: metal furniture, equipped with a 10 Series combination lock, such as lockers in gyms changing rooms or cabinets and drawers in offices, hospitals and other community buildings. 10 Series locks for metal cabinets, lockers, drawers and all metal furniture are easy to install and easy to use.