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    1-2-3 Block Set

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    1-2-3 Steel Block Set. Precision Ground, 2 pieces.

    • Heat treated and case hardened to 55 HRC
    • Precision Ground on 6 sides
    • Accurate and square to .0002"/inch
    • 5 tapped and 18 untapped holes
    • Cross Drilled for Rigidity
    MFR Part #: 31950
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