30 cm Yellow Ruler with Metric and Imperial Scales | High-Resolution Image #3516841 (License: Personal Use)

This bright yellow plastic ruler measures exactly 30 centimeters (12 inches) and features dual-scale markings: top edge in centimeters and millimeters, bottom edge in inches subdivided to 1/16-inch precision. The numerals are bold and black for high contrast, and the ruler is presented horizontally against a clean white background for optimal clarity and cropping flexibility.

Commonly used in educational resources, DIY tutorials, graphic design guides, and e-commerce product listings for stationery. Matches user intent for visual measurement references, printable rulers, or teaching tools for unit conversion.