30cm / 12” Professional quality scale ruler. Essential for Architects, Engineers, Designers, Surveyors and Construction professionals. 8 different scales 1:1 1:5 1:20 1:50 1:100 1:200 1:1250 1:2500, very clear to read. Black printed graduations and green, red, yellow and blue colour marks makes it easy to tell at a glance which scale you're using. UK manufactured high impact lightweight plastic made for a long operating life. Multi sides (2 scales per side, 8 scales in total) cover the most of scales used in architect, design, construction and technical drawing. Length: 30cm (12") is ideal to complete all common tasks.
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