The CS® Niti springs are a DynaFlex® exclusive, utilizing a patented, instant force (350 grams), closed coil spring and a specially built “key-hole” end. The all new CS improves the strength and durability by 40%. The CS spring will load force instantly and remain extremely consistent throughout treatment with the confidence of longer usage. The benefit is a smoother, more constant force that performs better and lasts longer.
