- Root Canal Shaping - Up to 700% higher fracture resistance - Specially hardened surface - Less filing is required for treatment success - The new HyFlex EDM files constitute the 5th generation root canal files. - HyFlex EDM NiTi files have completely new properties due to their innovative manufacturing process using electric discharge machining. - NiTi Orifice Opener 15/03. - Size: 21mm. **For further product information, please contact Chat support**