Check the listing for details. Dental Orthodontic Cu NiTi Copper Nickel Titanium Arch Wire Rectangular Round. Condition: New. Listed at 8.00 USD. Orthodontic Copper Cu-Niti Wire Arch Wires Rectangular Round Packing list:1 Pcs/Pack Metarial:Cu-Niti(Copper-Nickel-Titanium) Form:Damon Type:Round/Rectangular Package:English Package 1.For Round Wire Available Size:013 014 016 018 2.For Rectangular Wire: Available Size:14X25 16X22 16X25 17X25 18X25 19X25 Description: 1.These high quality Copper NiTi arch wires,consist of nickel,titanium, copper and chromium, produce the absolute best results in orthodontic treatment. 2.They react to temperature, so while they are easy to engage,even in severe cases, their spring back enables streamlined tooth movement. FDA STATEMENT The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If so, you can bid on this item only if you are an authorized purchaser. If the item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping of the item.