SHARS 6 X 4" SINGLE PRECISION STEEL SQUARE WITH STRAIGHT EDGES Product Code 303-6308 Description Blade Length: 6" Beam Length: 4" Accuracy class N .0002" + Blade / 50000" Both the Inside and Outside of the Square have Accurate Right Angles Beam and Blade are Ground and Lapped for Straightness and Parallelism Fully Hardened, Rockwell 55C Packed in Individual Cas
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