Artway 2302722 Plastic Triangular Scale Rule,Single, white

This architect scale ruler has 12 different scale measurements 12 scales - 1:10 1:10 1:2 1:20 1:5 1:50 1:100 1:200 1:500 1:1000 1:1250 1:2500 Three different coloured sides it makes for quick selection of the measurements and scale you need Metric scale rule is ideal aid for technical drawing, Manufacturer: Artway