Features:High-Quality Material: This books cover positioning ruler is made of high-quality material, with a smoothes surfaces and no burrs, and the sturdy design ensures long-term use without worrying about bending.Portable design: This bookscover positioning ruler is compact, lightweight and easy to carry.Exquisite workmanship: The bookscover positioning ruler has exquisite workmanship and excellent material, which can bring you a good use experience.MULTI-FUNCTIONAL DESIGN: This ruler is multi-functional, including placing booksboards, making consistent gaps, making fillets, trimming corners and locating holes.WIDE APPLICATIONS: This ruler tool is perfect for creating greeting card, gift boxes, photo album covers, and scrapbook layouts.Notice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deviation due to manual measurementMaterial: IronSize: 197*103*2.5mm