With squared edges and a flawless finish

where the clasp can stand out as a design feature

Both chains connect together at the center back

Also check out Circles Bobble Chain Necklace Gold

Chunky Chain Layered Necklace Silver snake-chain-jewelry With squared edges and aThis is a silver, stainless steel necklace that features two separate lengths of chain joined together at the center back, fastened together with an oval shaped spring clasp. The inner, shorter chain is made from square links, in a box chain style, while the outer, longer chain is made from larger, oval shaped links. There is also an additional length of chain with a silver shell charm at the center back, making the entire necklace adjustable.