Blu B-Flex Rcs retreatment rotary files. Features: - High shaping to remove gutta-percha and paste fillers fast. - 5 sizes to meet all retreatment needs. Pack contains: - 1 x #20 Taper 7% - 22 mm. - 1 x #25 Taper 8% - 18 mm. - 1 x #30 Taper 9% - 16 mm. **For further product information, please contact Chat Support**