The XP-Endo Finisher R is dedicated for retreatment cases. In the initial treatment, root filling materials are forced into the canal irregularities. These materials shield microbial infection that should be removed in order to effectively disinfect the canal. Standard NiTi files cannot remove these materials and bacteria particularly if there is a curvature in the canal. - Length: 25 mm. - Size : #30. **For further product information, please contact Chat Support**