Surgigcal Steel Barbell with UV Pink Devil's Eye Ball and Small Barbell Tongue Piercing Rings Materials : 316L Surgical Steel Barbell Thickness : 14 Gauge ( 1.6MM ) , Small Barbell : 16 Gauge ( 1.2MM ) Barbell Length : Available from 14mm to 22mm , Small Barbell Length : 6mm UV Ball Size : 6MM , Steel Ball : 3MM Free Shipping