Tools & Training

Line Blanks

How this calculation works: Line Blanks — Companion Article

Line blanks

Spectacle blinds, spacers and blind disks. Millimetre figures are the inch chart multiplied by 25.4. The first visit shows millimetres. The unit choice is remembered on this browser.

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Check this tool

Line Blanks version 1.0.1

This records your check of the tool output. It does not change the tool or the engineering data.