PH Tool 10-Step Block

The PH Tool 10-Step Block is used for thickness and linearity calibration. This 10-Step block goes from .100” to 1.000” in .100” increments, with a step face measuring .750″ x .750″. Two metric versions are also available.

Available in aluminum, steel, stainless steel and special alloy.

Contact us for pricing and to place your order.



Standard test blocks are non-representative tools, meaning that they are not manufactured from actual parts. Rather, they are a simplified design that contains manufactured discontinuities such as holes, angles, radii and more. Standard test blocks serve the purpose of standardizing and calibrating test equipment to ensure it is functioning properly.

All test blocks ship with a NIST-traceable certification report stating that the block meets applicable specifications.

Optional fitted, wooden storage case also available.

Additional information

Calibration Block

Imperial Aluminum, Imperial 1018 Steel, Imperial Stainless Steel, Imperial Special Alloy, Metric Aluminum 10A, Metric 1018 Steel 10A, Metric Stainless Steel 10A, Metric Special Alloy 10A, Metric Aluminum 10B, Metric 1018 Steel 10B, Metric Stainless Steel 10BA, Metric Special Alloy 10B


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