These files have a D-shaped cross-section, thereby increasing their strength & resilience. Unprecedented blade strength. Smooth Insertion. Efficient canal preparation. D-Finders resist but penetrate easily in the canal as compared to K-files. Increased resilience, improves the penetration force, making the files effective for a root canal narrowed by calcification. Cutting flutes are shaped to prevent cutting in (screwing effect). - Size: #8. - Length: 21 mm. - Color: Grey. **For further product information, please contact Chat Support**