HHIP 3402-0051 1-2-3 Precision Block Set, 11 Holes
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<b>[Product Information]</b><br>
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<li>Consists of 5 tapped holes 5/16 - 18 for clamping and 6 untapped holes drilled through</li>
<li>Accuracy with Squareness on all sides within .0001 per inch</li>
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