Multi-purpose tool for ensuring accurate leveling, setting predetermined pitch of a string of pipe, setting angle of laterals to precise degree, truing vertical runs, and two-holing flanges. Two cast-in 25 lb. pull magnets hold unit in place on any steel surface, including the underside of a pipe or beam. Features 360º adjustable dial bubble protractor. Cast-in table indicates rise-per-foot in inches and meters. Cast-in groove makes level self-centering on contour of the pipe.