Product Features

• This high quality toolmakers square is not graduated and offers squareness accuracy to 0.005 mm for every 150 mm• They feature hardened, ground and lapped stainless steel construction on both the blade and the beam• 0.0002 in squareness• The beam is machined at the inner corner for clearance of burr or dirt• Hardened and precision ground edges, lapped beams and blades• Used in visual checks of parts for squareness and to position one item perpendicular to another• Beams and blades are lapped for straightness and parallelism• 3-29/32 in beam