Precise 2-3-4 Precision 23 Hole Block Set, Dimensions: 2 x 3 x 4 – 3402-0906

Precise 2-3-4 Precision 23 Hole Block Set - 3402-0906 Accuracy with squareness on all sides within .0001" per inch. Sold in a matched pair. Hardened and precision ground on all 6 sides of each block. 23 holes consist of 5 tapped holes that are 3/8"-16 thre

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