HOUSWEETY Stainless Steel Silver Jewelry Findings Open Key Double Rings 500PCs 7mm Outside diameter:7mm(2/8");Wire:0.6mm; Main Color:Bright Silver Tone;Main Material:Stainless Steel; High quality stainless steel,no fading, nondeformable,allergy free,perfect for sensitive ears; Environmental protection,beautiful appearance,light weight,convenient installation.Beware of swallowing by children. Perfect findings for a variety of jewelry making.Every findings has its unique design and style and theme, hence the jewelry made with them are unique and represent your own fashion.