Housweety 50pcs Silver Tone Swivel Key Ring Connectors 19x9mm Main Material:Zinc metal alloy(Cadmium Free);Main Color:dull silver tone(not silver plated) Size:19mm x 9mm Hole size:5.3x4.6mm 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. Quantity:50PCs