4"/ 100mm ADJUSTABLE DOUBLE SQUARE Idea for Precision Layout Work Used Either as a Parallel or Double Square All Blades Fully Hardened and Tempered High Contrast, Micro-Fine Blade Graduations Durable, Easy to Read Satin Chrome Finished Blades Inch/Metric Graduations .5mm, 32nds One Side 1mm 64ths Second Side Made in USA
