Features: - Gradient Flexibility Is Produced With Patented Technology, Presenting Different Flexibility. - Progressive Flexibility Transition From The Upper To The Apical. - Depth Marking Area Helps The File To Be Well Centered In The Root Canal And Effectively Conduct Axial Force Source. - Respect Natural Root Canal Anatomy, And Get Accurate Feedback From The File Tip With A True Expression Of Root Canal Morphology. - Sequential Shaping Reduces The Difficulty Of Preparing Small And Curved Root Canals. Pack Contains: - 1 X 19/04. - 1 X 17/02. - 1 X 20/04. - 1 X 25/04. - 1 X 30/04.