KRAFTMASTERS Triangle Scale Ruler, 30cm (12 Inch) Long Metal Drafting Scale Ruler Very Useful to Architect, Engineer,Students, Office Employee set of 1 Ruler  (Set of 1, Silver)

Ideal for plan drawers, architects, workshop, toolbox, home crafts, hobbyists, modellers, draughtsman, joiners, cabinet makers, card making , graphic designers, triangular scale(T1) is a stylish rule suitable for architects 30cm / 12inch Triangular scale is made of white plastic with precision divisions and has color coded sides of red and yellow 1:10, 1:20, 1:25, 1:50, 1:75, 1:100, 1:125, 1:200, 1:250, 1:500, 1:750. Dimensions are in (cm) and (m) for easier working The scale of such drawings are often smaller than life-size, an architect's scale features multiple units of length and proportional length increments Contents : triangular scale ratio(1.10-1.750). An architect's scale is a specialized ruler designed to facilitate the drafting and measuring of architectural drawings, such as floor plans and orthographic projections. Because the scale of such drawings are often smaller than life-size, an architect's scale features multiple units of length and proportional length increments such as floor plans and orthographic projections.