Have controlled memory wire allows us to respect the root canal anatomy, avoiding root weakening and the creation of ledges, transportation or canal perforations. Can be pre-curved and show extreme efficiency in the most curved canals. Have shape memory, the material recovers its original shape when sterilized, retrieving all the metallic properties, and its metallurgic structure. The instrument section is triangular convex modified, facilitates the removal of debris, and reduces contact with the canal walls, with a very active cutting efficiency. Specifications: - Size: #25. - Taper: 06. - Length: 25 mm.