A security system includes a display tray, header panel, hook, hook base cover, and hook end cover. The display tray is to display an item. The display tray includes a slot. The header panel has a tab portion and a head portion. The tab portion is configured to mate with the slot. The head portion has one or more prong receiving holes. The hook has one or more prongs. The hook is to receive the item. The one or more prongs are configured to mate with the one or more prong receiving holes. The hook base cover is to secure the hook to the head portion. The hook end cover is configured to lock to an end of the hook. The item received on the hook is secured by locking the hook end cover to the hook.