N2 stone NEON COLOR STARS 16GA 8Color Sets Surgical Stainless Steel Pierced Earrings Ear Stud 8color sets (Not a pair) [Size] 16GA, Motif: about 0.39*0.39*0.08in (10*10*2mm), Pin: about 0.24in (6mm) [Material] Surgical stainless steel [How to fasten] screw type