European safety chain is linked between 2 sparkling beads. This chain serves as a bead stopper to prevent beads from slipping off European bracelets & from the bracelet falling off of the wrist, all at the same time. It is made of zinc alloy/ rhodium plated; bead diameter of 13mm & hole dimeter of 5.0mm. There are 4 safety chains in this DIY package. Perfect for jewelry making & party projects or as gifts.