Super Elastic Nitinol archwires with 20 degrees of anterior torque built into the archwire.  These specialized preformed wires allow for the addition of torque in the anterior region while maintaining Zero Torque in the posterior region.  Anterior Torqued Section:1 Etch Line:  28mm bend segment.2 Etch Lines:  34mm bend segment.3 Etch Lines:  38mm bend segment.2 Etched Lines on Leg:  20 degree bend direction, relative to arch.  For reference when placing arch.Upper Arch:  To increase labial crown torque position the two etched lines on the patients right side.Lower Arch:  To increase lingual crown torque position the two etched lines on the patients right side.Pack of 5.