Endostar spreader sonic files are instruments recommended for irrigation and disinfection of root canals. They can be used also during the removal of broken instruments from the root canal. Sonic files can be used only with ultrasound devices. Features: - Made of special stainless steel. - Using the cavitation process. - Sonic Files are designed to work up and down. - Files activate the rinsing agent in the root canal. - Size: #25. - Length: 33 mm. **For further product information, please contact Chat Support**