Authentic Tiffany & Co extra chain links for bracelet or necklace in sterlingg silver for extension Round RTT not included Shorter extension not included 🩵🩵🩵Only the extension chain links with the lobster claw included in the listing - the one with the red circle on the first picture 🩵🩵🩵 These came from a T & Co bracelet No hallmark as these were cut Approx 2.5 inches long Notice, one chain link has been cut The clasp is in perfect working condition No dust bag or box