This highly requested pair is a playful glass version of our popular axle design. Each glass ball and concentric circle spins gently around the centre post, creating a dynamic and stylish design. Materials All metals are brass finished with plating (see below) *orbs are tinted glass (please note: these glass beads are sturdy and are not easily broken) Earring posts are surgical steel Finishing *black zinc on brass (*nickel free) Dimensions Each earring measures 2" x 1 1/2" overall.