DESCRIPTIONS:

• – Alloy: 1018 Steel, Nickel-plated
  – Steps: 2, 4, 6, 8, 10 mm
  – Condition: Exceeds ASTM E797 allowable tolerance of ±0.02 mm on step thickness.
  – As an added bonus, our out-of-tolerance step blocks are certified with both nominal and as-built (actual) step thicknesses. Perfect step blocks are certified as meeting the applicable specifications only, without as-built data included.
  – Serial Nos. 3417, 3418, 3419, 3420, 3422