Linex Scale Ruler 30cm, Triangular, Aluminium, Black

30cm triangular scale ruler with 11 scale divisions, perfect for both current and aspiring architects. Solid aluminium ensures strong durability while also being light when holding to manouvere comfortably. 3 different coloured grooves make it quick and easy to find the right scale. White on black writing makes this ruler easy to read. Graduation scales: 1:1 1:2 1:5 1:20 1:50 1:100 1:200 1:500 1:1000 1:1250 1:2500.