DiaDent's K-Files are designed to clean and shape root canals. It gives the users a smooth tactile sense inside the canal during instrumentation. FLEXIBILITY- Ni-Ti shaft is made of premium nickel-titanium with 5 times the flexibility compared to stainless steel files. STRENGTH- Ni-Ti has 10 times the stress resistance compared to stainless steel files. CONVENIENCE- Produces smooth and progressive enlargement of root canal- Ni-Ti follows the existing canal path and has memory so there is no need to pre-bend the files