STARRETT 55-4 1/2 Master Precision Square, Beveled Edge, 4-1/2" (55-4 1/2)

Steel Master Precision Square with Beveled Edge, 4-1/2". Starrett 55 hardened steel squares are the same as the 20 squares, except that the blades are beveled on both edges of each side, which provides an excellent visual line contact with the work.