2. With dual-variable taper of path file, nickel titanium filecan be used after 1O# hand file
3. Upgrade shaping file 1 8/O5, more perfect for the processing,
4. Upgrade material , more flexible.Among classic 6 pcs system file , only it can used nickeltitanium file after 1O# hand file. SC Pro- 2018 more suitable for the big taper of obturationfilling system.