Use this great, 6” magnetic billet torpedo level on both flat and round surfaces. The powerful GripTight ™® V-groove rare earth magnets ensure that when used with ferrous metal surfaces you won’t have to worry about slipping and getting an inaccurate reading . This level features a conduit lock for accurate bend offsets, a solid billet aluminum frame, machined vial openings, and four reading vials at 0, 30, 45, and 90 degrees.