ProTaper Universal Rotary Instruments:Shaping files have multiple tapers that ensure flexibility and cut dentin in specific canal zonesBrushing action creates lateral space and allows the files' blades to passively move deeper into the canalFinishing files produce the final deep shape in the canal and the correct apical fit for the matching ProTaper Universal obturators or master conesEach finishing file featues a decreasing rate of taper that enhances flexibility, reduces the possibility of over-preparing the coronal 2/3 of a canal and reduces the potential for taper lockSold in packs of 6