Chain nipple ring. Artisan crafted handmade body jewelry. Simply pull out one end of barbell to insert and push-in to close. Comfortable PTFE black rubber coated barbell. Be one of a kind with our artisan handmade body jewelry.. Specifications: 5/8" (16mm) Length, 8mm Diameter, Stainless Steel, PTFE Tubing, Black Rubber. Handcrafted Black Chain Drop Dangle Nipple Ring