The Pen+Gear 12-Inch Plastic Shatter Resistant Ruler is a must-have tool for anyone who values precision in their work. This ruler has a wide and flat design that makes it easy to read measurements while lying flat against paper, ensuring accuracy when marking. With measurements up to 12 inches on one side and 30 centimeters on the other, it's versatile enough for various projects. It also includes cutouts that allow you to snap it into a binder, giving you quick and reliable access whenever you need it. Whether you're tackling a school assignment, preparing for a work presentation, or exploring your creative side in a craft room, this ruler will help you measure up to your standards for success and eliminate any room for error. The durable shatter-resistant material ensures that this tool can handle daily use, making it a reliable choice for students, professionals, and hobbyists alike.