Empire, 12", Combination Square, True Blue, Vials Are Accurate To Within .0005' Per Inch, Heavy Duty Machined Square Head Up, Accurately Measures Distances & Angles In ", Etched Steel Blade With Heavy Duty Machined Square Head, Self Aligning Draw Bolt For Quick Measurement Changes, Hardened Scriber Marks Surfaces, True Blue, Vial Ensures Accuracy.
