Incra precision marking rules are the most accurate marking devices, period!
These precision engraved stainless steel rules have micro fine marking holes and slots at every scale position to instantly locate your pencil and maker perfectly executed markings. The slots eliminate the inaccuracies created by marking along side of a traditional ruler. Available as a Straight Rule, T-Square, Bent Rule, and Protractor. The Bent Rule allows for perfectly accurate marking of the front and profile of boards.
All "Sets" contain a Rule, Bent Rule, and T-square of a particular size. The 6" and 12" sets are in Imperial (Inch) units, except the T-Square which is Imperial and Metric. The 18" Set is all Imperial (Inch) units.
All are made from stainless steel in the USA.