4" (100mm) Or 6" (150mm) Or 8" (200mm) Engineers Polished Try Steel Set Square
150mm (6") OR 300mm (12") Engineers Try Square Set Right Angle Guide With Level. Saw Blades. Engineer Square Is Made From Hardened Solid Steel. Hand Tools. Tempered And Finely Polished Blades. Inside And Outside 90 Degree Right Angles.