ALVIN 2200M-2 Aluminum Engineer Triangular Scale, Ruler for Drafting and Drawing, Great for Students and Professionals - 12 Inches electronics3 ECOHU Border Punch

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Specimens are cover slip sealed and made from high quality optical glass

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Each metal zipper is equipped with a rope loop

ALVIN 2200M-2 Aluminum Engineer Triangular Scale, Ruler for Drafting and Drawing, Great for Students and Professionals - 12 Inches electronics3 ECOHU Border PunchALVIN 2200M 2 Aluminum Engineer Triangular Scale, Ruler for Drafting and Drawing, Great for Students and Professionals 12 Inches This high quality anodized aluminum scale has a large profile, solid core, and tapered edges. Printed black graduations. All engineer scales have the following graduations unless otherwise noted: 10, 20, 30, 40, 50, 60 parts to the inch. Supplied in a hard plastic case. Product Features Easy to Use Sharp, easy to read