A heat-treated NiTi wire with enhanced flexibility and great resistance to cyclic fatigue. To be used in a similar technique to Vortex Blue. Blue Heat Treatment provides superior strength while maintaining flexibility to negotiate all canals. Pack contains 4 Files: - 1 x 17/08 - 19 mm. - 1 x 20/04 - 25 mm. - 1 x 25/06 - 25 mm. - 1 x 35/04 - 25 mm. **For further product information, please contact chat Support**