The 4 Pack Combination Master Locks are keyless padlocks with a 3-digit touch control system. These black padlocks are easy to set and are designed to be unbreakable, cutting-resistant, and lightweight. Made by the brand Master in the United States, the locks are perfect for travel and outdoor use. Each lock includes a combination lock mechanism that does not require batteries. These combination locks offer convenience and security without the need for a key. These locks are ideal for luggage, small gun cases, etc.