1-2-3 Blocks
Precision 1-2-3 Blocks for Setup Custom Fixtures and MoreValuable assets to tool rooms and inspection labs Precision 1-2-3 blocks are extremely useful for layout and set up work. Our 1-2-3 Blocks (1 inch x 2 inch x 3 inch) are case hardened on all sides and ground parallel flat and square within 0.0003 inch. Set includes 2 matched blocks each with 5 tapped holes (3/8-16) and 18 untapped ...
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