Basic economical flex shaft hangers is attached to your benchtop by screws* and can then be adjusted in height up to a maximum of 42" so you may comfortably work with your flexshaft. This unit also swivels at the top, making it easy to move the flexshaft when not in use. Top arm extends 10". Made in India.
Don't want to permanently mount it to your bench by screws? This is what we do for trade shows-use a narrow piece of wood thick enough to mount the screw base to with screws and then C-clamp that piece of wood to your benchtop.