Dental Apex Locator 4.5 LCD Endodontic Root Canal FinderDental Apex Locator Endodontic Root Canal Finder With 4. 5" LCD, 50 Angle For Folding. Product manual download Overview Equipped with clear bright LCD, clear image and different color indicate the trajectory of the file clearly. Based on advanced multiple frequency network impedance measurement technology and automatic calibrating ensures the measurements are accurate. Autoclavable file clip, file hook, file probe. Avoiding cross infection