- Endostar Unique K-files are very special endodontic instruments. - It helps to match the file to specific clinical case. - Using of Unique K-files helps to avoid steps during the root canal preparation. - Endostar Unique K-files are safe instruments with four cutting edges. - 4 cutting edges. - Made of stainless steel. - Square cross section. - Good flexibility. - Safe, noninvasive (not too aggressive). - Sterilization Steam autoclave 134°C. - Recommended sterilization time 35-40 minutes. - Length: 25 mm. - Size: #22.5. **For further product information, please contact Chat Support**