Shaft extends from 10-1/2 in. to 15 in.. Can be used to check below an automobile for exhaust leaks, observe beneath floor boards in your home for termite damage, inspect the backside of a water heater for leaks and to search behind a dresser for missing jewelry. Mirror is fully polished for crystal clear reflections. Dual ball-and-socket joints permit infinite angle adjustments of the mirror. Cushioned grip handle. 2-1/4 in. diameter mirror.