a telescoping self - aligning tube having an inner tube dimensioned and configured to fit within an outer tube which is equipped with a guide slot for receiving a snap button , thereby preventing rotation of the inner tube relative to the outer tube . the guide slot allows the telescoping tube to self - align such that the user does not have to twist and maneuver the inner and outer tubes when changing the tube length in order to align a detent button with its detent hole . embodiments include detent holes located both within and radially opposite with respect to the guide slot . a foam insert may be located on both ends of the inner tube allow the telescoping tube to be buoyant . a special layer of rubberized or polymer coating protects the cleaned surface from abrasions due to contact with the telescoping tube .