Triangular Metric Scale Ruler 30cm | 6 Architectural Scales | High-Visibility Color-Coded Grooves

This 30cm triangular scale ruler gives architects, engineers and students six standard metric scales in one tool, so blueprints and floor plans can be measured without extra calculations.

• 6 metric scales in one ruler: Covers standard architectural ratios: 1:20, 1:25, 1:50, 1:75, 1:100 and 1:125
• Quick scale selection: Bright yellow groove makes it easy to spot and use the right scale at a glance
• High-contrast markings: Crisp, laser-precise black graduations on a clean white background for maximum readability
• Stable on drafting surfaces: Triangular body sits flat on drafting boards and resists rolling on sloped surfaces

1x Triangular Scale Ruler