When renting a storage unit from Public Storage, customers are generally required to provide their own lock for the unit. The company does sell locks on-site for convenience, but it is important for customers to ensure that their belongings are secure by using a reliable lock of their choosing. Locks are a critical aspect of maintaining the security of personal items stored within a unit. It is advisable to select a strong, high-quality lock that is appropriate for the intended use, as well as compatible with the storage unit's door. Customers should check on the specific requirements or recommendations regarding locks on the Public Storage website, as policies may vary by location. This ensures that all tenants are informed and can take the necessary steps to adequately safeguard their possessions.