Swanson T0108 Big 12 Speed Square Layout Tool with Blue Book
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<b>[Product Information]</b><br>
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<li>Heavy gauge aluminum with matte finish to prevent glare</li>
<li>1/4 in. and 1/2 in. spaced notches to facilitate scribing lines</li>
<li>Plain gradations</li>
<li>Includes 60-page Swanson blue book of instructions</li>
<li>Great for deck framing and stairway building!</li>
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