Isomars Triangular T6 Ruler(Set of 1, White)

Isomars triangular scale(T6) is a stylish rule suitable for architects. Isomars 30 cm triangular scale is made of white plastic with precision divisions and has color coded sides of red and yellow-1:25,1:50,1:100,1:125,1:150,1:200,1:250,1:500,1:1000,1:1250,1:1500,1:2000,1:2500 . Dimensions are in (cm) and (m) for easier working. Scale rulers are used by architects and engineers to calculate dimension in a blue print or building plan without the use of time-consuming and complicated math equations.