The HESPER safes are made in a large range of models and sizes, according with the European Security Norms (SR-EN-1143-1:1997), in 1, 2 or 3 security class. The safety class depending on the locking system, its protection system and the wall mechanical construction.The cipher lockers types are: electronic locker, mechanical locker, lock with key and 3-4 cipher-rings.