Deep apical shape creates better access for irrigation and cleaning, and 3D obturation, Variable taper design creates conservative coronal shape, preserves dentin, 1-2 files per case, lowest cost for shaping per root canal procedure, Strongest tested file system on the market*, Electric motor recommended for use with rotary NiTi files, Speed of use – 200-400 RPM (250 ideal), Torque control – 65% or 455 g-cm torque, V-Taper tactile control, Files advance naturally with light pressure, Use a slow, controlled motion Always use lubricaton with each file, Recapitulate with hand file between each rotary file, Irrigate between each rotary file, Files can be used safely in 3-4 canals