Imixlot 20pcs 16G 3mm Spike Cone Curved Eyebrow Barbell Ring Piercing Material: 316L surgical stainless steel Gague: 16G/1.2mm , Cone Spike Dia: 3mm/0.11" Total Length(Included Spike Cone): 14mm/0.54" The ball of Ring is independent and flexible, just screw it in case of falling apart Package Content: 20pcs