Find the best used safes for Burglary, Jewelry, High Security, including TL 30, TRTL 30×6, ISM Safes, & AMSEC Safes. At First Security Safe you can browse through all our premium safes that can be used for your home or business. We have been in business since 1922 and our showroom is the largest and most diverse safe showroom in the country located in the Jewelry District in Downtown Los Angeles. Come visit the largest showroom you can find filled with both new and used safes.