pRuler

Features of pRuler include:
* Incredibly small.
* Scales in millimetres and inches are available.
* Runs in fullscreen to maximize measuring area.
* Configurable height of screen.
* Close button
* Hi-DPI aware

If you find this tool useful, please donate to the developer.

Source : pda.jasnapaka.com

=== DOWNLOAD===

From the developers Website ( may be they have a new version )
pRuler 1.2

Tags: pRuler