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Staedtler Mars Triangular Scale
STD987181BK
1/20, 1/25, 1/50, 1/75, 1/100, 1/125 Graduations - Metric Measuring System - Solid Plastic - 1 Each - White
Staedtler Mars Triangular Scale
STD987184BK
1/100, 1/200, 1/250, 1/300, 1/400, 1/500 Graduations - Metric Measuring System - Solid Plastic - 1 Each - White