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Metric Gauge Block Sets.
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Manufactured from high grade steel.
Each block heat treated to HRC64-65 to give exceptional resistance to wear and abrasion.
ISO 3650 Grade - II
Complete with UKAS certificate of calibration.

Supplied in plastic case.
| Cat. No. | No. of Blocks Metric |
| RS11M | 11 |
| RS47M | 47 |
| RS88M | 88 |