Good Security: 3-digit set your own combination convenience allows for thousands of possible combinations for added security. The lock is preset at factory to open at 0-0-0 Sturdy Construction : Solid lock body is strong, durable and resists corrosion. Better keep your own belongings. Wide Application : Can be used in office, home, gym. school, luggage, cabinet, storages, hasps, baggage, cases, employee, travel etc