Each concentric circle of these minimal earrings spins gently around the center post, creating a dynamic and stylish design. Materials: All metals are brass finished with rhodium plating. *Black Zinc on brass (*Nickel Free) Each earring measures about 2" x 1 5/8" overall. Made in small batches at the artist's PURSUITS studio in Toronto. (*available exclusively in silver/black. Model version shown for scale only.)