2-4-6-block Definition

noun

A tool used in machining fields, especially milling, to aid in setup. It is a block of steel that is precisely squared and parallel whose sides are 2, 4, and 6 inches long, respectively. 2-4-6 blocks are a larger version of the more-common 1-2-3 block.

Wiktionary

Other Word Forms of 2-4-6-block

Noun

Singular:
2-4-6-block
Plural:
2-4-6-blocks