The Charles Leonard Translucent 12" Plastic Ruler is a must-have tool for students, teachers, and professionals alike. This pack of 36 rulers comes in assorted contemporary colors, making them both functional and stylish. The durable plastic rulers feature a double beveled edge with a pencil groove for easy access to your writing utensil. Raised calibrations show 1/16 inches on one edge and millimeters on the other, allowing for precise measurements. Additionally, the rulers have holes that allow for easy storage in ring binders, keeping your workspace organized and clutter-free. Whether you're working on a school project or drafting blueprints, these rulers are sure to come in handy. Recommended age 5+ years