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Rugged, self-levelling lasers for grading and excavating. The Spectra Precision® Laser GL512 single grade and GL522 dual grade transmitters are rugged, cost-effective, automatic self-levelling lasers that do three jobs - level, grade, and vertical alignment. The GL700 Series gives you the right laser for the right job, from an economical single grade transmitter to an advanced, long-range radio remote controlled steep grade transmitter. |
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