Simplify angle measurements with Johnson's magnetic angle locator. Featuring a high-impact molded body and an extra-strong ceramic magnet, it effortlessly adheres to ferrous metal surfaces. The V-groove edge ensures a perfect fit on pipes and conduits, while easy-to-read increments display 0-90 in all four quadrants on a durable acrylic lens. For added convenience, one side has inch graduations and the other has metric graduations. This magnetic angle locator is essential for craftsmen, general contractors, and homeowners. Its extra-strong magnet is perfect for working with ferrous metal surfaces like I-beams, trusses, and pipes.