52-439-031 Fowler 1-2-3 Blocks
Fowler 1-2-3 Block Set
- 31 holes for easy clamping
- Sold in Matched Pairs
- Useful in layout & Precision Grinding work
- Dimensional Accuracy: 0.0002"
- Very useful in mounting work for precision grinding, layout work, etc.
- Blocks hardened to 58-60 Rockwell C.
- Ground to surface finish 6-10 micro inches