Check the listing for details. Heat Thermal Activated Rectangular Niti Wire Arch Ovoid Form Upper Lower All. Condition: New. Listed at 1.89 USD. Features: 1.10 pcs/pack 2. English Package 3. Used For Dental orthodontic treatment 4. Material: Heat Thermal Activated NITI 5. Type: Rectangular Form: Ovoid / Natural/Square Size Option: 0.014x0.025 upper, 0.014x0.025 lower 0.016x0.016 upper, 0.016x0.016 lower 0.016x0.022 upper, 0.016x0.022 lower 0.016x0.025 upper, 0.016x0.025 lower 0.017x0.022 upper, 0.017x0.022 lower 0.017x0.025 upper, 0.017x0.025 lower 0.018x0.018 upper, 0.018x0.018 lower 0.018x0.022 upper, 0.018x0.022 lower 0.018x0.025 upper, 0.018x0.025 lower 0.019x0.025 upper, 0.019x0.025 lower 0.020x0.020 upper, 0.020x0.020 lower 0.021x0.025 upper, 0.021x0.025 lower Package : Choose the quantity you need 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, do not bid on this item unless 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.