... , lead free,no corrosion on the surface. Material:zinc alloy,hardware factory New inventions,shoes chainNickle free, lead free,no corrosion on ... of this product Size of this product.About usWe are hardware factory manufacturing belt buckles, shoes buckles,bag accessories etcWe enjoy a ... -595-68800888 Mobile: 86-15980429625 Jacky Luo(Sales Manager) New hardware inventions,shoes chain