Starrett BEVEL PROTRACTOR, WITH STANDARD LETTER OF CERTIFICATION, 12", NON REVERSIBLE C12-12-4R W/SLC

Direct reading 0-180 Deg in opposite directions, permitting the direct reading of angles and supplementary angles Reversible, meaning there is a shoulder on both sides of the blade. Tool can be reversed so the same angle can be scribed or measured left and right Reversible Black Smooth Finish Reversible lock bolt allows choice of which graduated side of the blade faces the operator Protractor heads are made of stable cast iron and finished with a choice of attractive black wrinkle finish or smooth black finish Tempered steel blades with accurate, machine-divided graduations A spirit level indicates when the base reference surface is level - a feature not usually available on comparable protractors