6" Double Square

This 6" double square is accurate and adjustable. It is the perfect small-size tools for checking or setting 90 degree angles. Graduated rules are of hardened steel with precision-machined stocks. Starrett tools feature unerring American-made precision and durability. Their century-old dedication to producing only the highest quality tools has earned them the well-deserved title of "the world's greatest toolmakers". Measuring tools have working surfaces ground to a demanding +/- .00001". Rules are made of engraved, hardened, premium-quality steel finished with an easy-to-read satin chrome surface. This is the tool professionals rely on for accuracy.Perfect small-size tools for checking or setting 90 degree angles6" double squares, accurate and adjustableMeasuring tools have working surfaces ground to a demanding +/- .00001"Easy-to-read satin chrome surfaceAll rules are marked with 1/64", 1/32", 1/16", and 1/8" graduations