30 cm / 12-inch Dual-Scale Ruler - Precision Measuring Tool for Students & Professionals #3516851 (License: Personal Use)

This transparent plastic ruler measures 30 centimeters (12 inches) and includes dual-scale markings: centimeters and millimeters on one edge, inches and fractional inches (1/16") on the opposite. The etched black numerals and lines ensure long-lasting readability and resistance to fading or smudging. Its slim profile and non-slip edges make it ideal for precise drawing, cutting, and layout work.

Used in educational settings (math, art, drafting), DIY projects, architecture, and office environments where accurate linear measurement is required. Matches user intent for purchasing or learning about standard measuring tools.