- 28 Piece Gage Block Set Square Steel
- Grade 0 gage blocks supplied with a Mitutoyo certificate of inspection that the blocks meet American Society of Mechanical Engineers (ASME) B89.1.9
- High-carbon, high-chrome steel provides high hardness and wear-resistance
- Square base for accurate wringing, to attain a height reference standard, and to make a dedicated inspection jig
- Nominal length (in inches) indicated with laser-etched, black characters
- Identification number etched in block for traceability