Approximately 2" in length Plated base metal with black onyx Hinge back closure Wear the perfect shade of black with the Onyx Inlaid Tie Clip by Ox & Bull Trading Co.. Measuring at 2" length, the tie bar is the ultimate fashion statement. A semi-precious, Onyx stone is precisely set in a shiny, silver setting. Versatile enough for black tie, the board room or a night on the town. Tie Bar by Ox & Bull Trading Co.