The Straight Edge Is Used For Measuring And Drawing Lines. *It Is Made Of Aluminium And Is 3.0 M In Length. *This Straight Edge Is Made Of Hight Quality Materials That Ensure It Lasts Long And Performs Well. *It Is Easy To Use And Can Be Used By Both Professionals And Diy Enthusiasts. *The Ross Straight Edge Is An Essential Tool For Anyone Who Needs To Measure Or Draw Lines Regularly.