China 2019 Most Popular Densply Protaper File for HUse

specifications:

1.Rotary Protaper /NITI Super Files (engine use)
2.Made of high quality Niti Alloy
3.With preciseprocessing technology, products in good flexibility, high quality cutting efficiencyand fracture resistance
4.Progressive taper design improves flexibility and cutting efficiency, especially in tighter or more curved canals
5.Recommended rotary speed of Engine Files is 250~350r/Min
6.With triangle cross section
7.With fixed plastic washerand handle
8.High-temperature sterilization is allowable
9.Packed with 3 files per box, available of single or assorted sizes
Multiple Changing Tapers over each File's Cutting Blades
Convex Triangular Cross Section
Progressively Changing Helical Angle and Pitch
Variable Tip Diameters
Modified Guiding Tip
No Radial Lands
More Efficient Cutting Angle
Improved Safety
Short Handles