Features: rHigh-quality material: This book cover positioning ruler is made of high-quality material, with a smooth surface and no burrs, and the sturdy design ensures long-lasting use without worrying about it bending. rPortable design: This book cover positioning ruler is compact, lightweight, and easy to carry. rExquisite workmanship: The book cover positioning ruler has exquisite workmanship and excellent material, providing you with a good user experience. rMULTIFUNCTIONAL DESIGN: This ruler is multifunctional, including positioning book discs, creating uniform gaps, making roundings, trimming corners, and locating holes. rWIDE APPLICATION AREAS: This ruler tool is perfect for creating greeting cards, gift boxes, photo album covers, and scrapbook layouts. rNote: r1. The actual color may differ slightly from the image due to different lighting effects r2. Please allow 1-3 cm deviation due to manual measurement r r rMaterial: Iron rSize: 197*103*2.5 mm r rPackage list: r1 x book cover positioning ruler