STD9871831BK
Staedtler 12" Architect Triangular Scale
12" Length 1" Width - 3/32, 3/16, 1/8, 1/4, 3/8, 1/2, 3/4, 1, 1-1/2, 3, 16 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