BodyJ4You 8 Pieces of 16 Gauge Electro Horseshoe Circular Barbell - 4 Pairs 16 Gauge (1.2mm), 3/8" (10mm) 8 - Steel Horse Shoe Circular Barbell 16 Gauge Electro Plated Titanium on 316L Surgical Grade Stainless Steel, 3mm balls. Horseshoe Pair of: Rainbow, Green, Red and Black