作者: Kevin D. Green
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摘要: A device for leveling and squaring which includes a level body having spirit vial or electronic inclinometer, wherein battery powered laser module assembly is rotatably mounted in one end of the emitting visible beam therefrom. The contains transparent window allows to exit Further, has groove parallel longitudinal axis thereof provide horizontal (0°) reference line. Wherefore, establishes precise line, variably adjustable from 90° thereto, alignment uses. Magnetic strips are used attaching ferromagnetic materials.