Name: NITI Springs (Closed Spring & Open Spring) 
Material: NITINOL 
Size: 0.010", 0.012" 
Packing: 10 pcs/pack for Closed Spring 
2 pcs/pack for Open Spring 
Use: For orthodontic dental treatment 

Features: 
* Super Ductility and Strength Combination, Suitable for Various Complicated Instance 
* With Constant Elasticity, the Curative Effect is More Remarkable 
* Advanced Surface Smooth Process Brings Long Fatigue Life