Rotring Ruler Triangular Reduction Scale 6 Surveying 1-25 to 1-2500 with 2 Coloured Flutings
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Rotring Ruler Triangular Reduction Scale 4 Architect 1-10 to 1-500 with 2 Coloured Flutings
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Rotring Ruler Triangular Reduction Scale 1 Architect 1-10 to 1-1250 with 2 Coloured Flutings
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Rotring Compass General Purpose 1 Hinged Leg Maximum Circles 380mm Shank 3.5mm Length 140mm
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