Starrett 12-24-4R Non-Reversible Bevel Protractor, Black Wrinkle Finish, 4R Graduations, 24" Size

A spirit level indicates when the base reference surface is level a feature not usually available on comparable protractors. Since the protractor heads and blades are furnished with combination square sets, individual protractor heads or blades can be ordered separately.

• Regular Blade Finish; graduations: No. 4R: 1/8", 1/16", Quick Reading, 1/32", 1/64"
• Direct reading 0-180 degree in opposite directions, permitting the direct reading of angles and supplementary angles
• Protractor heads are made of stable cast iron and finished with a choice of attractive black wrinkle finish; tempered steel blades with accurate, machine-divided graduations
• The blade is on the outside of the frame, so the frame stays on the same side of the workpiece
• A spirit level indicates when the base reference surface is level-a feature not usually available on comparable rotractors