Engineering Tri-color Triangular Scale Ruler 1:25 to 1:500 All Proportions 300mm

Description: Engineering Tri-color Triangular Scale Ruler 1:25 to 1:500 All Proportions 300mm Features: Clearly marked metric graduations. 3 color coded sides, each side with different scales. 6 scales allow precision drawing for architects, engineers and carpenters. 30cm White Triangular Metric Scale Ruler Plastic Three Color Coded Sides. Ideal for Plan Drawers, Architects, Workshop, Toolbox, Home Crafts, Hobbyists, Modellers, Draughtsman, Joiners, Cabinet Makers, Cardmaking , Graphic Designers, Specification: Product Name: Triangular Scale Ruler Material: Polystyrene Weight: 48g Color: White & Yellow & Red & Green Total Size (Approx.) 32.5 x 2.5cm / 12.8" x 0.98" (L x W) Model: Large proportion Small proportion for optional ( A: Large proportion B: Small proportion) Large proportion-Red: 1:100; 1:200 Yellow: 1:250; 1:300 Green: 1:400; 1:500 Small proportion--Red: 1:25; 1:100 Yellow: 1:50; 1:125 Green: 1:20; 1:75 Package inlcuded: 1 x Triangular Scale Ruler