- Edge taper platinum™ features edgeendo’s heat-treated fire wire™ niti. - The files have a convex triangular cross section that maximizes file cutting efficiency. - Heat-treated firewire™ niti alloy is an innovation in file metallurgy. - It makes our files more flexible and significantly increases resistance to cyclic fatigue. - Firewire™ niti enables edgeendo® files to not “bounce back”, preserving canal anatomy, and carefully follows the canal as they shape. **For further product information, please contact Chat Support**