Steel 1-2-3 Blocks 52-439-001-0
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