10pcs Pack 18"-24" Length Snake Chain Necklace, 1.5mm Thickness, Antique Copper Plated Brass (18" Length) Beautiful smooth chain in good quality, ready to wear and hang your pendant-on. These brass chain are lead and nickel safe, made to snake smooth style. Made of brass, electroplated in antique copper color. Chain thickness is 1.5mm and length measure 18". Brass chains more safety than other economy base metal materials.