Industrial piercing, Industrial bars, Piercing jewelry, Industrial barbells with chains and stars The chain is removable is you want to wear the piercing bars without the ornement The barbells are made of stainless steel 316L, and the chains are made of stainless steel 304L, externally threaded 14 or 16 gauge 7mm or 8mm piercing bars To find out which gauge is right for you, you can measure the thickness of the bars you currently have or show your bars to a piercer who can easily tell you…