Precision: DIN 875 grade 1,designed for precision layout,machine set-up and laboratory use Squares are true right angles both inside and outside These squares are made of hardened, tempered and polished steel,beams and blades are ground and polished for parallelism Have an inside notch for accuracy 2 inch blade and 16 inch beam,length of blade is measured from top of beam to end of blade
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Item# : SPM16383896824
Model # : JC1005-50x40