4" Beveled-Edge Steel Square
The upper and lower 60-degree beveled edges of this tool provide excellent visual line contact for more accurate scribing and marking. Expertly crafted of high-quality tool steel, the hardened beam and blade are ground and lapped to ensure parallel and straightness with squareness accuracy of .0001". Groove on the lower blade edge next to the beam allows clearance for burrs and debris. Beam is 5/8" x 3/4"; blade length is 4" from the inside edge of the beam, total length is 4-3/4".