Like ProTaper Universal, ProTaper Next rotary files feature variable taper performance but add an off-centered, rectangular cross-section for increased file strength.
ProTaper Next Features:
Rectangular cross-section design for greater strength
Asymmetric Rotary(AR) Motion that further enhances ProTaper canal shaping efficiency
M-Wire NiTi alloy for increased flexibility and resistance to cyclic fatigue
 
Comes in Pkts of 3 Files
Made in Switzerland