- K-Flex stainless steel hand files feature a unique rhomboid design, which provides a short axis for flexibility while maintaining cross-sectional strength. - The K-Flex is more flexible than conventional endo files of comparable size, which facilitates the negotiation of curved canals and their preparation with minimal potential for lodging and perforating. - Size: 08. - Length: 25 mm. - Color: Grey. **For further product information , please contact Chat Support**