This tool is designed and made for one single purpose - to help you to measure anything on your screen. The tool is highly configurable, comes with different useful options: * measure in pixels, millimeters and centimeters * horizontal and vertical guides * customizable translucency * customizable tickers * "Stay on TOP" window style (floating over other windows) * Screen edges snapping * Remembers last state (position and options) * Mouse and keyboard moving/resizing * FREE to use Follow the link and free download WonderWebware.com Screen Ruler now.