This is Mjolnir, Thor's hammer necklace and it is made of stainless steel so it can't rust or tarnish. It has a braided leather necklace and the hammer is decorative with knotwork as well as the necklace beads that have mini Mjonir's on them. This is a beautiful Mjolnir and will complement any outfit, so show your love to Thor and wear this with pride.