16.5mm Gold Plated Brass Steampunk Cable Chain. Electroplated and nickel free! his 6.5mm Steampunk Cable Chain is gorgeous and features two soldered dots to embellish the chain. Its unique styling is perfect for bracelets, necklaces and earrings. We love using this chain to express our person style through the art of jewelry making. Its of medium weight and made from naturally hypoallergenic brass and electro-plated nickel free.