Dia-X Rotary Files 4 files/box, Size #D3 21mm

Dia-X Rotary Files are comparable to the popular rotary file system in the market today. It provides 143%+ the resistance to cyclic fatigue than Dia-PT Rotary Files.

Dia-X Files feature the same exact geometries as Dia-PT Rotary Files; however, the heat-treated premium nickel titanium construction offers extreme flexibility and durability.