Install

• License: GNU General Public License v3.0 or later
• Weekly downloads: 8
• Average daily users: 200
• Rating: 3.5455/5 of 11 ratings
• Created: 2018-03-14 01:36:50
• Last updated: 2018-03-14 03:00:12
• Homepage:
• Support site and email
• Orig: https://addons.mozilla.org/en-US/firefox/addon/z-ruler/
• API: {bc094d57-4ea7-4216-b3ea-2cac72a5cc6b}