Optimal Length and Width: This magnetic ruler measures approximately 39.37 inches in length and 1.18 inches in width, making it well-suited for various applications including workshops, lathes, and craft tables. Its flexible design and practical dimensions allow for broad usability without measurement limitations. Dual Measurement Units: Featuring both inch and centimeter scales, this magnetic measuring tape provides clear and precise markings for accurate readings, ideal for detailed work in both professional and hobbyist settings. High-Quality Construction: Constructed from soft magnetic material and rubber, this ruler securely adheres to ferrous metal surfaces. It is built to endure typical workshop conditions. The ruler can be cut to a desired length for customized use. Versatile Tool: This magnetic ruler is suitable for use on workbenches, whiteboards, and craft areas. Its roll-up design allows for easy storage and portability, making it a convenient tool for various projects. Weather Consideration: In cold conditions, the rubber and magnetic materials may contract slightly, which could temporarily affect length. If needed, soaking the ruler in warm water may help restore its original dimensions for continued accuracy. Color: Black Material: Rubber and metal Package Contents: 1 x Magnetic flexible ruler Note: Light reflection and differences in display screens may cause slight variations between the color shown and the actual product. Measurement may vary by up to +/- 1-3 cm.