The perfect clip for all your jewelry needs, we make 3 sizes, 1.5-2mm thick sturdy jewelry clip, to use as a charm holder or a clasp. We made these in your choice of sterling silver, 14kt yellow or rose gold...solid not plated. Smallest is tiny, 6x12mm, Medium Size is 10mmx22mm. Largest is 13x24mm.. Snaps shut but will not come open by itself, very strong..does not come with a chain.