Starrett 409164 3020 Series Toolmakers’ Grade Square 3020 Series Toolmakers’ Grade Square – Each

High quality toolmakers grade square is not graduated and offers squareness accuracy to 0.005 mm (0.0002″) for every 150 mm (6″)
Features hardened, ground and lapped stainless steel construction on both the blade and the beam
Beam is machined at the inner corner for clearance of burr or dirt
Plastic case