- R-Motion is the first true complete solution in reciprocation endodontics to combine enhanced instrument flexibility and fatigue resistance with a unique minimally invasive approach. - Engineered for optimal ease and efficiency, r-motion is up to 3.3 times more flexible, and offers up to 3.6 times the fatigue resistance of standard Niti reciprocating systems. - Size: #40. - Color: Black. - Taper: 4%. - Length: 25 mm. **For further product information, please contact Chat Support**