Steelex D3383 Precision Square, 4-Inch
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<b>[Product Information]</b><br>
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<li>For precision 90-degree layout and machine set-up</li>
<li>4" blade and 3" beam</li>
<li>Inside notch for increased accuracy</li>
<li>Hardened, tempered and polished steel</li>
<li>Blade edges and beam faces are accurate to within ± 0.0006"</li>
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