A mirror handle with endodontic file measuring slide is a dental instrument that combines two functions: - Dental mirror handle: A handle designed to hold a mirror head, used for examination of the mouth, reflecting light, viewing areas not directly visible, retracting soft tissue, etc. - Endodontic file measuring slide (stop/scale): Incorporated to the handle is a graduated slide (a moveable stop) that allows measurement of endodontic files (root canal files). Features: - Simple socket.