5/0, 18″ Chromic Gut Suture with C-3 Reverse-cutting 13mm Needle (3/8 Circle), Box of 12 Suture Sets. Burs & Bur Blocks. Dental Imaging & X-Ray. Pennington, NJ. The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies.