AZDENT Dental Endodontic Apex Locator Root Canal Measurement Tool Multi-color Screen Touch Inductive ButtonAZDENT Dental Endodontic Apex Locator Root Canal Measurement Tool Multi color Screen Touch Inductive Button. The one button operation, simple and convenient. High testing accuracy, widely used in different oral environment. Automatic calibrating ensures the measurements are accurate. The File clip, Lip hook and Touch probe can be sterilized by autoclaved sterilizer. Small size, big ability, more accurate multi frequency measurement. The measurement is