1.The teeth move very accurately 

2.Color ID system，Very convenient positioning

3.Material: 17-4 hard stainless steel, food grade class, more safe

4.Surface: smooth surface, avoid damage the oral mucosa

5.Base: Monoblock one piece MIM construction, very difficult to fall from the teeth

6.Slot with high precision and polished 

7.Low profile wing design for easy ligating 

8. Torque-in-base for level slot line-up

9. Color-coded quadrant ID  system

10. shear bond strength