Be sure your surfaces are plumb with this Irwin 48" Box Beam Level. Ruggedly constructed with box-beam structure and strong neodymium magnets. Retractable endcaps on each end. Provides a continuous edge for marking level lines. Unique dual-sided viewing area for easy reading. ...
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Be sure your surfaces are plumb with this Irwin 48" Box Beam Level. Ruggedly constructed with box-beam structure and strong neodymium magnets. Retractable endcaps on each end. Provides a continuous edge for marking level lines. Unique dual-sided viewing area for easy reading. Accurate within 0.029°.