... more about our ball chain:1)Available Material: Iron, Brass, Stainless steel2)Available size: 1.6mm, 2.0mm, 2.4mm, 3 ... , 3.2mm, 4.0mm, 4.5mm, 5.0mm, 6.0mm, 8.0mm, 10mm, 12mm. 3)Available clasp: 3 styles, all size ... 's more 50types color ball chain.Usage: 1) Used for fine jewelry 2) Can be seen attached to dog tags, used ...