FRKB T-DIN Triangular Scale For Architectural Drawing Interior Designing Ruler  (Set of 1, White)

Triangular scale(T-DIN) is a stylish rule suitable for architects. 30 cm triangular scale is made of plastic with precision divisions and has color coded sides of red and yellow- TDIN (Metric) : 1:10, 1:20, 1:25, 1:33.5, 1:50, 1:75, 1:100, 1:200, 1:250, 1:500, 1:750. 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.