Available Options Archwire Size - Rectangular --- Please Select --- Upper .012x.016 Lower ..012x.016 Upper .014x.016 Lower .014x.016 Upper .016x .016 Lower .016x.016 Upper .016x.022 Lower .016x.022 Upper .017x.025 Lower . 017x.025 Upper .018x.018 Lower.018x.018 Upper .018x.025 Lower.018x.025 Upper .019x.025 Lower.019x.025 Upper .020x.020 Lower .020x.020 Upper .021x.025 Lower .021x.025