A handy, all-purpose-size split ring, electroplated in real silver. use for the female half of clasps, hooks and other fasteners and to fasten large hooks onto the ends of chains. split ring construction is the same as a keychain ring-it overlaps itself completely, in two complete circles, with no break for chains or wires to fall through. slide components onto the ring the same way you put your keys on your keyring, for a secure link. or just loop wire or thread through it and feel secure that there is no way for the ring to come off. plated over a nickel and steel base. 6mm outside diameter quantity: 100 silver plated split rings . this item is lead-free.