Material: Brass and Cubic Zirconia, Gold Filled Size: 30mm Description: Silver: Rhodium Plated Gold: 18K Gold Filled Black: Palladium Plated Rose Gold: Palladium Plated over Brass Usage: For the bracelet, necklace, or other crafts, jewelry makings Gold Filled, Rhodium-plated and Palladium-plated findings have a precious metal look. Exquisite craft and unique design, use it as necklaces, bracelets, or earring components.