-The variable taper and advanced flute design offer efficiency to achieve consistent shaping, even under more challenging conditions such as calcified canals. -Nickel titanium construction. -Convex-triangle cross section. -ISO-colored handles. -Ideal for use in calcified canals. -High flexibility. -Enhanced resistance to cyclic fatigue. - Pack contains : - Sx. - S1. - S2. - F1. - F2. - F3. **For further product information , please contact Chat Support**