-Upgrade open file 17/12 , more reasonable.
-With dual-variable taper of path file, nickel titanium file can be used after 10# hand file.
-Upgrade shaping file 18/05, more perfect for the processing,
-Upgrade material, more flexible.
-Among classic 6 pcs system file, only it can used nickel titanium file after 10# hand file.
-SC Pro- 2018 more suitable for the big taper of obturation filling system