L.S. Starrett 12229 3020 Series Toolmakers' Square Sets, Stainless Steel, No Grad, 4 Squares

3020 Series Toolmakers' Squares, 2 31/32 in x 4 in, Stainless SteelFeaturesSquareness accuracy to .0002" (0.005mm) for every 6" (150mm)Beam machined at the inner corner for clearance

3020 Series Toolmakers' Squares, 1 31/32 in x 3 in, Stainless SteelFeaturesSquareness accuracy to .0002" (0.005mm) for every 6" (150mm)Beam machined at the inner corner for clearance

3020 Series Toolmakers' Squares, 3 29/32 in x 6 in, Stainless SteelFeaturesSquareness accuracy to .0002" (0.005mm) for every 6" (150mm)Beam machined at the inner corner for clearance

3020 Series Toolmakers' Squares, 6 7/8 in x 12 in, Stainless SteelFeaturesSquareness accuracy to .0002" (0.005mm) for every 6" (150mm)Beam machined at the inner corner for clearance

Double Squares, 4 in, 8ths; 16ths; 32nds; 64thsFeaturesHardened bladeFaces of head are ground squareGraduated bladeSliding blade is adjustableFor machinists, toolmakers, and pattern makers