Pack of CZ Stud--2/3/4/5/6mm, Screw Back Earrings for women men Metal--Titanium, surgical stainless steel, Hypoallergenic for Sensitive Ears Gemstone -- AAA+ clear Cubic Zirconia simulated diamond Post -- length : 6mm, 20g (0.8mm gauge) , Screw Back also with tiny CZ,Can wear double side. Perfect Jewelry Gift--a surprise to birthday, anniversary, Mother’s day, Valentine’s Day, Christmas and wedding.