Fowler, Steel 2-3-4 Blocks, 52-439-234-1

Features: • 1-2-3 Blocks—tolerances guaranteed to .0001" for squareness per inch.


• Available in two styles—with one or thirty-one holes. Blocks are matched in pairs and measure 1" x 2" x 3".
• Very useful in mounting work for precision grinding, layout work, etc.
• Blocks hardened to 58-60 Rockwell C.
• Ground to surface finish 6-10 microinches
• Matched accuracy within ± .0002"
• Price per pair
*Image shown for representational purposes only


• Set of 2 Blocks with 31 holes
• Dimensional Accuracy: .0001″