Arnold's Safe and Lock has been in business for over 10 years with over 22 years of experience in the Locksmith Industry. If you need High Security locking and key systems for your home or business, contact Arnold's Safe & Lock. Commercial and residential lock re-key and master rekeying are our specialty keeping you safe in your home or business. As a trusted locksmith company in the Nashville area, we also move, open and repair vaults and safes of all styles.