nickel-titanium alloy wires Size:dia1.6mm ASTM 2063 ISO9001:2008 Packages:in cartoon ... .040.020.040.0010.0050.0050.0050.00555.570.012Material: Nickel titanium alloyApplication: cell phone antenna, children's toys, experimental materials ... , glasses leg, women bra, Women's Sports Central, arch wires, instruments, and medical equipment, such as surgical stitching wire ,birth ...