With a squareness of 0.0002 in., the Starrett 20-3 Precision Steel Square is a high-quality tool that will help you with all your precision measurements. The square is made of steel and has a 90 Àö angle. It also features hardening, grinding and lapping on beams and blades to ensure parallelism and straightness. The square has outside dimensions of 3 in x 2 3/8 in.. This Starrett Precision Steel Square will provide you with accurate measurements time after time, making it an essential for any toolbox or workbench.
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