Enhance precision and clarity with the 30cm Plastic Ruler with Built-in Magnifying Viewer. Designed for both practicality and versatility, this ruler not only provides accurate measurements but also features a magnifying strip for easier reading of fine details. Made from durable plastic, it’s lightweight, reliable, and perfect for students, professionals, and promotional branding. Available in black, white, and clear finishes, this ruler is a smart addition to any desk, classroom, or workspace. 30cm plastic ruler for accurate measuring Built-in magnifying viewer for enhanced clarity Durable and lightweight design Available in black, white, and clear options Suitable for school, office, or promotional use