K3 Ni-Ti Files .04 21mm Size 40 Black

Positive Rake Angle for optimum cutting efficiency dislodging debris. Variable Helical Flute Angle increases debris removal. Wide Radial Land for increased peripheral strength. Radial Land Relief – minimises over engagement and reduces breakage. Third Radial Land – stabilises and keeps the instrument central. 4mm shorter handle for easier posterior access. Simplified colour coding - .04 Green, .06 Orange. Safe-Ended Tip – minimises ledging, perforation and zipping.