The Super-Elastic Nitanium wire is an excellent choice for initial to mid stage treatment to level, align and rotate (unscramble) the teeth.  Due to its high flexibility and resilience, the Super-Elastic wire provides consistent predictable forces to move the teeth in an efficient manner.Laser etched midlines:  Upper- 3 Black Laser Marks; Lower-1 Black Laser Mark.Right Form Arch Shape. (Same as Pro Form Arch Shape)Pack of 10.