-One file for incredible efficiency.

-Superior Flat-sided design: more room for bypass and debris removal, significantly decrease screwing effect.

-Taper Indicator.

-ISO Standard color.

-Heat-treated Control Memory NI-TI Wire: Enhance flexibility and resistance to cyclic fatigue for safe treatment.

-Box contains : -1: Size 17, Taper 8%, Yellow. -1: Size 20, Taper 4%, Yellow. -3: Size 25, Taper 6% , Red.