Manual-Reading Protractor, Manual Reading Protractor, Range 10 Degrees to 170 Degrees, Graduations 1 Degrees, Accuracy +/- 0.3 Degrees, Material Steel, Blade Length 5 29/32 in, Blade Style Adjustable, Operation Type Mechanical, Blade Thickness 0.7 in, Finish Satin Chrome, Head Length 5 7/8 in, Head Shape Semi-Circular, Includes Clamping Screw, Magnetic Head Yes. This item has been restricted from sale in the following state (s): []