•Square made from a single piece for precision and long-lasting accuracy •Simplified and straightforward design for all necessary tasks •Open design for easy carrying and storage •Clear laser edged markings on black surface for better readability and extra large scale for easy angle measurements •Rounded edges to avoid damaging your work piece and prevent injuries •Precision scribe notches for fast and acurate markings, can be used with utility knife for fast tailoring of plasterboards •Useful scale on the bottom of the rule •Extra thick body for safe use as saw guide securing straight cuts