BodyJ4You 6 Pieces of 16 Gauge Electro Spike Horseshoe Circular Barbell - 3 Pairs 16 Gauge (1.2mm), 5/16" (8mm) 6 - Steel Horse Shoe Circular Barbell 16 Gauge Electro Plated Titanium on 316L Surgical Grade Stainless Steel, 3mm balls. Spike Horseshoe Pair of: Rainbow, Red and Pink