Dental Endo Apex Locator Micropex Root Canal 3.7 inch ScreenDental Endodontic Apex Locator Micropex Root Canal Measuring Instruments 3. 7" Screen, Smooth body line with ergonomics design. More accurate multi frequency measurement. Buzzer Alert, Can Be Sterilized By Autoclaved Sterilizer. Overview Feature Smooth body line with ergonomics design Low power consumption, smooth body Small size, big ability, more accurate multi frequency measurement. The measurement is not affected by the types of teeth The File