The portable system key organizer is used for multiple key management, which allows you to aggregate and store different keys. This keys assortment manager can easily identify and distinguish keys, commonly used in houses, hotels, offices, apartments, factories, warehouses, and workshops. It's a great tool for office key managers.AdvantageMade of metal, it has high strength, high hardness, good wear resistance, and good service life. Easy to keep clean and not easy to get dirty. Save your time searching for the right key. The handle is round in shape, it won't hurt your hands and get tired from holding it for a long time.InstructionTie the key to the ring and hang it on the corresponding hole.NoticePlease pay attention to the product size before placing an order.