The Disc on the Titanium Barbell is 6 mm.

Our Disc Titanium Barbell is Nickel Free, half the weight of Steel, and available in High Polish Only. We only use G23TI Surgical Titanium. This is the grade that is used worldwide for heart valves, pacemakers, and implants. It should be noted that G23TI Titanium costs more then double the price of the cheaper commercial grades (CP Titanium 1,2, 3, 4, or 5), that are usually offered to you in body jewelry by other company's.