Description: 100% brand new and high quality. aluminum alloy material, lightweight, easy to breakage, not easily deformed, smooth lines. Scale clear, accurate, built-in scale, easy to carry Tri-scale precision for drawing paper, multifunctional, bring convenience for your life. High color contrast, easy to read engraved number Perfect tool for engineers, technical drawing and architects Specification: Type: Ruler Color: Silver Material: Aluminum Alloy Size: 30*2cm Shape: Triangle Package Included: 1 x Scale Ruler Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 1-3cm differences due to manual measurement.