Precise Universal 1-2-3 Block Set-Supplied in Matched Pairs PR-1232

• Used for set-up, layout and inspection jobs.
• Supplied in matched pair.
• (5) 5/16″-18 tapped holes, arranged for holding down and conversion into angle plates.

Features:

• .0001″ to .0003″ over allowance for nominal lapping.
• Tolerance in parallelism: .0002″
• Case hardened to HRc 55 – 62.
• (6) Holes drilled through with deep recess for easy clamping.