STD9871834BK
Staedtler 12" Triangular Engineer Scale
12" Length - 10, 20, 30, 40, 50, 60 Graduations - Imperial Measuring System - Polystyrene - 1 Each - White
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Color-coded grooves ensure quick, accurate selection of desired scale
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Die-engraved graduations are sharply defined to prevent reading errors
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6 different scales allow you to make wide variety of measurements
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High-impact construction stays strong through frequent use