Staedtler Mars Triangular Reduction Scale Ruler 56198DINBK

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Mars triangular reduction scale ruler - a precision drafting tool for scaled technical drawingThe Staedtler 56198DINBK Mars triangular reduction scale ruler is a precision technica l drawing instrument with a triangular cross-section carrying multiple scale ratios on its faces, allowing architects, engineers and drafting students to measure and draw at standard reduced scales directly without manual calculation.The triangular profile is the traditional scale ruler format - each of the three faces carries two different scale ratios (six scales total), allowing the drafter to select the appropriate reduction scale for their drawing without switching tools. Common architectural and engineering scales are included for translating real-world dimensions to paper drawings and vice versa. The DIN reference indicates compliance with German engineering drafting standards. For architecture students, engineers, draftspeople and technical illustrators requiring accurate scaled measurement. Explore the full Staedtler range and scale rulers. Show more