7", Billet Torpedo Level, 4 Amplified Rare Earth Magnets For Over Magnetic Holding Power On Pipe & Other Metal Materials, Industries Largest 2" Dual Pitch Vial Allows For Quick Setting & Identifying Pitch In 1/8" & 1/4" Per Inch, Laser Etched Ruled Edge Allows For Quick Accurate Measurements, Weld Clearance Gap Allows Leveling Between Weld Lines, Billet Aluminum Frame To Hold Up To Harsh Jobsite Conditions, Compact Design For Working In Tight Spaces.