Metalmorphose Lifestyle Keychain - Chess King. Made from zinc alloy. With a 35mm steel ring. Your favorite musical instrument, your favorite city, or your favorite sport? Everyone has something to love in our extensive Metalmorphose themed collection. What makes Metalmorphose products unique? Aside from the clean designs and realistic miniatures, everything is carefully crafted using durable, high-quality materials. The 3D keychains, decorative bag charms, bookmarks, and pins are made of solid metal, ensuring a perfectly balanced weight. From the initial sketches and product design to 3D printing, nearly one hundred steps are required before the final product is born. The result is unique, collectible pieces of unrivaled quality.