4-Digit Security Padlock: 4-digit combination locks allow you to set your own code with 10,000 unique options. It's 10 times more secure than a 3-digit lock. EASY TO USE: Setting or resetting is easy by following the always-included instructions. Large numbers and a side window make them easy to read. SOLID CONSTRUCTION: Long and durable padlocks feature a robust zinc alloy body, hardened steel shackle, and excellent manufacturing value. They are weather-, rust-, cut-, and saw-resistant. VERSATILE APPLICATION: Long combination padlocks are perfect for indoor and outdoor activities, such as door locks, garage doors, sheds, fences, garden sheds, containers, tool boxes, gym lockers, locker rooms, colleges, schools, escape rooms, cloakrooms, storage rooms, etc.