- Dental rotary files are a type of dental tool used to clean, shape, and cut teeth during dental procedures. Kit contains: - Orifice Opener. - 2 Files #18/05 (a More Durable Substitute To #20/04). - 1 File #25/04. - 1 File #25/06. - 1 File #30/04. - 1 File #35/04. **For further product information, please contact Chat Support**