Johnson Level and Tool 40-6662 Quad Line Self-Leveling Line Generator with Plumb Beam
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<b>[Product Information]</b><br>
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<li>Self-leveling with visual and audible alarms when beyond leveling range</li>
<li>Projects three vertical lines, two horizontal lines and one plumb-down beam</li>
<li>Optional manual mode</li>
<li>Laser beam can be set to pulse for use with optional detector</li>
<li>Locking mechanism protects inner pendulum during transportation</li>
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