Aprilsky 316L Surgical Steel Stainless Bullet Ear Taper and Ear Tunnel Complete Kit Earrings Material: 316L Stainless Steel, Hypoallergenic Color : Steel Back with Black and Rose Bullethead Size : 6mm (Diameter), 21mm (Total Length), 1.2mm (Pin Thickness) Quantity : 2 Pairs Function : Anti-allergy