Quickly find engineering reference information for any cross section!


• United States
• Europe
• Japan
• India
• Russia
• Great Britain
• Canada
• Australia


• Smart text search
• Diagrams to scale
• Unit conversion

Useful in mechanical engineering, civil engineering, structural engineering, and architecture.


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What’s New

Version 5.12.0

• NEW: Database for Chinese shapes
• IMPROVED: Updated US data, including new shapes, designations, and some new properties such as workable gage.

App Privacy

The developer, Blue Ketchep, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • User Content
  • Identifiers
  • Usage Data
  • Diagnostics

Privacy practices may vary based on, for example, the features you use or your age. Learn More


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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