- Single file to complete the preparation. - Unusually sharp section. - The capacity of chip and chip evacuation enhanced. - More flexible than the traditional single file, indications broader. - Good variable pitch design for quick and automatic removal of debris to the crown side. - Variable pitch design and S-section, enhanced transverse cutting force, and weakened. - Instrument “screwed in”. - Length: 21mm. **For further product information, please contact Chat Support**