BodyJ4You 10 Pieces of 16 Gauge Electro Crystal Horseshoe Circular Barbell - 5 Pairs 16 Gauge (1.2mm), 5/16" (8mm) 10 - Steel Horse Shoe Circular Barbell 16 Gauge 316L Surgical Grade Stainless Steel Horseshoe Pair of: Black with Red Crystal , Steel with Green Crystal , Steel with Red Crystal , Steel with Aqua Crystal , Steel with Pink Crystal