MULTIPLE USES: These locks design for indoor and outdoor use, ideal for most light-duty tasks such as gym, sports, school or employee small lockers, suitcases, briefcases, computer bags, backpacks, baggage luggage, locker, toolkit, furniture drawers, small cabinets, etc FIVE-DIGIT PASSWORD: 100,000 combinations, set your favorite number as a password at will, the security is extremely high SUPER THICK HARDENED HOOK: The diameter of the lock hook is 7mm/0.3inch, and it is made of hardened steel