Johnson Level & Tool 406EM 6-Inch English/Metric Metal Combination Square Go to amazon.com Related posts Top 7 best combo square for 2022 FeatureCast zinc headComputer-machined gauging edgesAcrylic vialSteel blade with permanently stamped graduations DescriptionJohnson Level & Tool 406EM 406EM 6-Inch I/M Pro Combo Square