Root ZX II features proven apex location technology independently evaluated to be 97.5% accurate. Root ZX II works in wet canals, offers an easy to read display screen, and programmable memory settings for enhanced safety. An optional OTR Low Speed Handpiece offers a safe and efficient method for canal shaping. Its unique 90° auto torque release and file advancement feature reduces file fatigue and the possibility of file breakage. *Photo includes the full handpiece.