Straight Barbells 10 Pieces Set of UV Multi Color Marble Ball with 14 Gauge 316L Surgical Steel Tongue Piercing Jewelry Materials : 316L Surgical Steel with UV Ball Barbell Thickness : 14 Gauge ( 1.6MM ) Barbell Length : Available from 14mm to 19mm Ball Size : 5MM or 6MM Quantity : 10 Pieces Mix Color / Free Shipping