52-439-031 Fowler 1-2-3 Blocks

Fowler 1-2-3 Block Set

Features include...

• 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