The MCD100 Portable Cash Drawer is the ideal complement for the Royal 100CX Portable Cash Register or any other portable cash register. It features a sturdy tamper proof metal enclosure, locking drawer, 4 bill slots and a removable 4-slot coin tray. Push the drawer to spring open for fast access.. Spring-loaded clips to keep bills down & secure. 4-slot coin tray--removable & expandable by adding coin slots partitions. Key-locking drawer--metal lock secures contents. Spring release. Nonskid rubber feet