Professional Metric 30cm 12" Plastic Flat (Oval) Architect Scale Ruler 1:1 1:5 1:20 1:50 1:100 1:200 1:1250 1:2500 Metric 30cm 12" Plastic Flat (Oval) Scale Ruler 1:1 1:5 1:20 1:50 1:100 1:200 1:250 1:2500 Scale 1:1 1:5 1:20 1:50 1:100 1:200 1:250 1:2500 Length: 30cm Made of white acrylic plastic with black letters and blue (Pantone 300) stripe in the centre. High quality item supplied in original packaging.